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Finding the Fourth Proportional to 73,471.87, 101,391.15 and 39,937.87

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Solution

The fourth proportional to 73,471.87, 101,391.15 and 39,937.87 is: 55,114.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,471.87 : 101,391.15 = 39,937.87 : x
  2. Step 2: Convert to fraction form
    73,471.87/101,391.15 = 39,937.87/x
  3. Step 3: Cross multiply
    73,471.87x = 101,391.15 × 39,937.87
  4. Step 4: Simplify right side
    73,471.87x = 4,049,346,567.85
  5. Step 5: Solve for x
    x = 4,049,346,567.85/73,471.87
  6. Step 6: Final answer
    x = 55,114.24

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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.