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Finding the Fourth Proportional to 16,515.70, 24,773.55 and 4,203.70

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Solution

The fourth proportional to 16,515.70, 24,773.55 and 4,203.70 is: 6,305.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,515.70 : 24,773.55 = 4,203.70 : x
  2. Step 2: Convert to fraction form
    16,515.70/24,773.55 = 4,203.70/x
  3. Step 3: Cross multiply
    16,515.70x = 24,773.55 × 4,203.70
  4. Step 4: Simplify right side
    16,515.70x = 104,140,572.14
  5. Step 5: Solve for x
    x = 104,140,572.14/16,515.70
  6. Step 6: Final answer
    x = 6,305.55

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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.