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Finding the Fourth Proportional to 58,276.53, 87,443.82 and 38,549.79

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Solution

The fourth proportional to 58,276.53, 87,443.82 and 38,549.79 is: 57,843.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,276.53 : 87,443.82 = 38,549.79 : x
  2. Step 2: Convert to fraction form
    58,276.53/87,443.82 = 38,549.79/x
  3. Step 3: Cross multiply
    58,276.53x = 87,443.82 × 38,549.79
  4. Step 4: Simplify right side
    58,276.53x = 3,370,940,897.80
  5. Step 5: Solve for x
    x = 3,370,940,897.80/58,276.53
  6. Step 6: Final answer
    x = 57,843.88

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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.