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Finding the Fourth Proportional to 16,291.70, 24,437.55 and 10,459.70

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Solution

The fourth proportional to 16,291.70, 24,437.55 and 10,459.70 is: 15,689.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,291.70 : 24,437.55 = 10,459.70 : x
  2. Step 2: Convert to fraction form
    16,291.70/24,437.55 = 10,459.70/x
  3. Step 3: Cross multiply
    16,291.70x = 24,437.55 × 10,459.70
  4. Step 4: Simplify right side
    16,291.70x = 255,609,441.74
  5. Step 5: Solve for x
    x = 255,609,441.74/16,291.70
  6. Step 6: Final answer
    x = 15,689.55

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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.