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Finding the Fourth Proportional to 52,569.03, 72,542.52 and 28,691.08

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Solution

The fourth proportional to 52,569.03, 72,542.52 and 28,691.08 is: 39,592.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,569.03 : 72,542.52 = 28,691.08 : x
  2. Step 2: Convert to fraction form
    52,569.03/72,542.52 = 28,691.08/x
  3. Step 3: Cross multiply
    52,569.03x = 72,542.52 × 28,691.08
  4. Step 4: Simplify right side
    52,569.03x = 2,081,323,063.37
  5. Step 5: Solve for x
    x = 2,081,323,063.37/52,569.03
  6. Step 6: Final answer
    x = 39,592.19

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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.