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Finding the Fourth Proportional to 58,810.20, 88,229.88 and 17,257.20

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Solution

The fourth proportional to 58,810.20, 88,229.88 and 17,257.20 is: 25,890.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,810.20 : 88,229.88 = 17,257.20 : x
  2. Step 2: Convert to fraction form
    58,810.20/88,229.88 = 17,257.20/x
  3. Step 3: Cross multiply
    58,810.20x = 88,229.88 × 17,257.20
  4. Step 4: Simplify right side
    58,810.20x = 1,522,600,685.14
  5. Step 5: Solve for x
    x = 1,522,600,685.14/58,810.20
  6. Step 6: Final answer
    x = 25,890.08

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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.