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Finding the Fourth Proportional to 61,235.73, 91,889.03 and 25,693.88

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Solution

The fourth proportional to 61,235.73, 91,889.03 and 25,693.88 is: 38,555.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,235.73 : 91,889.03 = 25,693.88 : x
  2. Step 2: Convert to fraction form
    61,235.73/91,889.03 = 25,693.88/x
  3. Step 3: Cross multiply
    61,235.73x = 91,889.03 × 25,693.88
  4. Step 4: Simplify right side
    61,235.73x = 2,360,985,314.93
  5. Step 5: Solve for x
    x = 2,360,985,314.93/61,235.73
  6. Step 6: Final answer
    x = 38,555.68

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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.