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Finding the Fourth Proportional to 52,503.77, 72,454.89 and 28,629.92

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Solution

The fourth proportional to 52,503.77, 72,454.89 and 28,629.92 is: 39,509.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,503.77 : 72,454.89 = 28,629.92 : x
  2. Step 2: Convert to fraction form
    52,503.77/72,454.89 = 28,629.92/x
  3. Step 3: Cross multiply
    52,503.77x = 72,454.89 × 28,629.92
  4. Step 4: Simplify right side
    52,503.77x = 2,074,377,342.03
  5. Step 5: Solve for x
    x = 2,074,377,342.03/52,503.77
  6. Step 6: Final answer
    x = 39,509.12

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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.