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Finding the Fourth Proportional to 16,640.85, 24,972.01 and 10,717.12

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Solution

The fourth proportional to 16,640.85, 24,972.01 and 10,717.12 is: 16,082.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,640.85 : 24,972.01 = 10,717.12 : x
  2. Step 2: Convert to fraction form
    16,640.85/24,972.01 = 10,717.12/x
  3. Step 3: Cross multiply
    16,640.85x = 24,972.01 × 10,717.12
  4. Step 4: Simplify right side
    16,640.85x = 267,627,938.59
  5. Step 5: Solve for x
    x = 267,627,938.59/16,640.85
  6. Step 6: Final answer
    x = 16,082.59

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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.