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Finding the Fourth Proportional to 31,609.60, 43,620.92 and 17,461.52

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Solution

The fourth proportional to 31,609.60, 43,620.92 and 17,461.52 is: 24,096.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,609.60 : 43,620.92 = 17,461.52 : x
  2. Step 2: Convert to fraction form
    31,609.60/43,620.92 = 17,461.52/x
  3. Step 3: Cross multiply
    31,609.60x = 43,620.92 × 17,461.52
  4. Step 4: Simplify right side
    31,609.60x = 761,687,567.00
  5. Step 5: Solve for x
    x = 761,687,567.00/31,609.60
  6. Step 6: Final answer
    x = 24,096.72

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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.