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Finding the Fourth Proportional to 16,615,605.70, 24,923,408.55 and 7,657,653.70

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Solution

The fourth proportional to 16,615,605.70, 24,923,408.55 and 7,657,653.70 is: 11,486,480.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,615,605.70 : 24,923,408.55 = 7,657,653.70 : x
  2. Step 2: Convert to fraction form
    16,615,605.70/24,923,408.55 = 7,657,653.70/x
  3. Step 3: Cross multiply
    16,615,605.70x = 24,923,408.55 × 7,657,653.70
  4. Step 4: Simplify right side
    16,615,605.70x = 190,854,831,699,519.16
  5. Step 5: Solve for x
    x = 190,854,831,699,519.16/16,615,605.70
  6. Step 6: Final answer
    x = 11,486,480.55

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.