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Finding the Fourth Proportional to 27,962.50, 38,588.52 and 15,387.52

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Solution

The fourth proportional to 27,962.50, 38,588.52 and 15,387.52 is: 21,234.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,962.50 : 38,588.52 = 15,387.52 : x
  2. Step 2: Convert to fraction form
    27,962.50/38,588.52 = 15,387.52/x
  3. Step 3: Cross multiply
    27,962.50x = 38,588.52 × 15,387.52
  4. Step 4: Simplify right side
    27,962.50x = 593,781,623.27
  5. Step 5: Solve for x
    x = 593,781,623.27/27,962.50
  6. Step 6: Final answer
    x = 21,234.93

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.