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Finding the Fourth Proportional to 73,476.86, 101,398.17 and 39,942.86

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Solution

The fourth proportional to 73,476.86, 101,398.17 and 39,942.86 is: 55,121.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,476.86 : 101,398.17 = 39,942.86 : x
  2. Step 2: Convert to fraction form
    73,476.86/101,398.17 = 39,942.86/x
  3. Step 3: Cross multiply
    73,476.86x = 101,398.17 × 39,942.86
  4. Step 4: Simplify right side
    73,476.86x = 4,050,132,908.57
  5. Step 5: Solve for x
    x = 4,050,132,908.57/73,476.86
  6. Step 6: Final answer
    x = 55,121.20

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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.