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Finding the Fourth Proportional to 61,538.96, 92,269.01 and 25,990.65

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Solution

The fourth proportional to 61,538.96, 92,269.01 and 25,990.65 is: 38,969.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,538.96 : 92,269.01 = 25,990.65 : x
  2. Step 2: Convert to fraction form
    61,538.96/92,269.01 = 25,990.65/x
  3. Step 3: Cross multiply
    61,538.96x = 92,269.01 × 25,990.65
  4. Step 4: Simplify right side
    61,538.96x = 2,398,131,609.73
  5. Step 5: Solve for x
    x = 2,398,131,609.73/61,538.96
  6. Step 6: Final answer
    x = 38,969.32

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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.