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Finding the Fourth Proportional to 58,597.52, 87,821.15 and 28,618.61

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Solution

The fourth proportional to 58,597.52, 87,821.15 and 28,618.61 is: 42,891.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,597.52 : 87,821.15 = 28,618.61 : x
  2. Step 2: Convert to fraction form
    58,597.52/87,821.15 = 28,618.61/x
  3. Step 3: Cross multiply
    58,597.52x = 87,821.15 × 28,618.61
  4. Step 4: Simplify right side
    58,597.52x = 2,513,318,659.40
  5. Step 5: Solve for x
    x = 2,513,318,659.40/58,597.52
  6. Step 6: Final answer
    x = 42,891.22

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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.