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Finding the Fourth Proportional to 17,732.61, 26,520.48 and 15,772

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Solution

The fourth proportional to 17,732.61, 26,520.48 and 15,772 is: 23,588.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,732.61 : 26,520.48 = 15,772 : x
  2. Step 2: Convert to fraction form
    17,732.61/26,520.48 = 15,772/x
  3. Step 3: Cross multiply
    17,732.61x = 26,520.48 × 15,772
  4. Step 4: Simplify right side
    17,732.61x = 418,281,010.56
  5. Step 5: Solve for x
    x = 418,281,010.56/17,732.61
  6. Step 6: Final answer
    x = 23,588.24

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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.