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Finding the Fourth Proportional to 52,654.87, 78,957.73 and 17,569.99

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Solution

The fourth proportional to 52,654.87, 78,957.73 and 17,569.99 is: 26,346.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,654.87 : 78,957.73 = 17,569.99 : x
  2. Step 2: Convert to fraction form
    52,654.87/78,957.73 = 17,569.99/x
  3. Step 3: Cross multiply
    52,654.87x = 78,957.73 × 17,569.99
  4. Step 4: Simplify right side
    52,654.87x = 1,387,286,526.52
  5. Step 5: Solve for x
    x = 1,387,286,526.52/52,654.87
  6. Step 6: Final answer
    x = 26,346.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.