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Finding the Fourth Proportional to 61,184.99, 91,781.91 and 25,610.54

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Solution

The fourth proportional to 61,184.99, 91,781.91 and 25,610.54 is: 38,417.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,184.99 : 91,781.91 = 25,610.54 : x
  2. Step 2: Convert to fraction form
    61,184.99/91,781.91 = 25,610.54/x
  3. Step 3: Cross multiply
    61,184.99x = 91,781.91 × 25,610.54
  4. Step 4: Simplify right side
    61,184.99x = 2,350,583,818.42
  5. Step 5: Solve for x
    x = 2,350,583,818.42/61,184.99
  6. Step 6: Final answer
    x = 38,417.65

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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.