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Finding the Fourth Proportional to 61,239.73, 91,895.04 and 25,697.88

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Solution

The fourth proportional to 61,239.73, 91,895.04 and 25,697.88 is: 38,561.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,239.73 : 91,895.04 = 25,697.88 : x
  2. Step 2: Convert to fraction form
    61,239.73/91,895.04 = 25,697.88/x
  3. Step 3: Cross multiply
    61,239.73x = 91,895.04 × 25,697.88
  4. Step 4: Simplify right side
    61,239.73x = 2,361,507,710.52
  5. Step 5: Solve for x
    x = 2,361,507,710.52/61,239.73
  6. Step 6: Final answer
    x = 38,561.69

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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.