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Finding the Fourth Proportional to 61,771.20, 92,656.92 and 17,397.96

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Solution

The fourth proportional to 61,771.20, 92,656.92 and 17,397.96 is: 26,096.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,771.20 : 92,656.92 = 17,397.96 : x
  2. Step 2: Convert to fraction form
    61,771.20/92,656.92 = 17,397.96/x
  3. Step 3: Cross multiply
    61,771.20x = 92,656.92 × 17,397.96
  4. Step 4: Simplify right side
    61,771.20x = 1,612,041,387.88
  5. Step 5: Solve for x
    x = 1,612,041,387.88/61,771.20
  6. Step 6: Final answer
    x = 26,096.97

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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.