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Finding the Fourth Proportional to 48,569.59, 72,859.59 and 15,290.65

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Solution

The fourth proportional to 48,569.59, 72,859.59 and 15,290.65 is: 22,937.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,569.59 : 72,859.59 = 15,290.65 : x
  2. Step 2: Convert to fraction form
    48,569.59/72,859.59 = 15,290.65/x
  3. Step 3: Cross multiply
    48,569.59x = 72,859.59 × 15,290.65
  4. Step 4: Simplify right side
    48,569.59x = 1,114,070,489.83
  5. Step 5: Solve for x
    x = 1,114,070,489.83/48,569.59
  6. Step 6: Final answer
    x = 22,937.61

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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.