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Finding the Fourth Proportional to 29,500.91, 40,711.02 and 16,072.12

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Solution

The fourth proportional to 29,500.91, 40,711.02 and 16,072.12 is: 22,179.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,500.91 : 40,711.02 = 16,072.12 : x
  2. Step 2: Convert to fraction form
    29,500.91/40,711.02 = 16,072.12/x
  3. Step 3: Cross multiply
    29,500.91x = 40,711.02 × 16,072.12
  4. Step 4: Simplify right side
    29,500.91x = 654,312,195.21
  5. Step 5: Solve for x
    x = 654,312,195.21/29,500.91
  6. Step 6: Final answer
    x = 22,179.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.