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Finding the Fourth Proportional to 58,292.73, 87,417.22 and 18,839.25

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Solution

The fourth proportional to 58,292.73, 87,417.22 and 18,839.25 is: 28,251.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,292.73 : 87,417.22 = 18,839.25 : x
  2. Step 2: Convert to fraction form
    58,292.73/87,417.22 = 18,839.25/x
  3. Step 3: Cross multiply
    58,292.73x = 87,417.22 × 18,839.25
  4. Step 4: Simplify right side
    58,292.73x = 1,646,874,861.89
  5. Step 5: Solve for x
    x = 1,646,874,861.89/58,292.73
  6. Step 6: Final answer
    x = 28,251.81

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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.