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Finding the Fourth Proportional to 73,037.88, 100,792.28 and 39,503.88

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Solution

The fourth proportional to 73,037.88, 100,792.28 and 39,503.88 is: 54,515.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,037.88 : 100,792.28 = 39,503.88 : x
  2. Step 2: Convert to fraction form
    73,037.88/100,792.28 = 39,503.88/x
  3. Step 3: Cross multiply
    73,037.88x = 100,792.28 × 39,503.88
  4. Step 4: Simplify right side
    73,037.88x = 3,981,685,432.57
  5. Step 5: Solve for x
    x = 3,981,685,432.57/73,037.88
  6. Step 6: Final answer
    x = 54,515.35

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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.