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Finding the Fourth Proportional to 69,930.08, 96,500.16 and 39,711.41

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Solution

The fourth proportional to 69,930.08, 96,500.16 and 39,711.41 is: 54,799.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,930.08 : 96,500.16 = 39,711.41 : x
  2. Step 2: Convert to fraction form
    69,930.08/96,500.16 = 39,711.41/x
  3. Step 3: Cross multiply
    69,930.08x = 96,500.16 × 39,711.41
  4. Step 4: Simplify right side
    69,930.08x = 3,832,157,841.01
  5. Step 5: Solve for x
    x = 3,832,157,841.01/69,930.08
  6. Step 6: Final answer
    x = 54,799.85

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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.