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Finding the Fourth Proportional to 61,086.56, 91,565.87 and 25,568.21

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Solution

The fourth proportional to 61,086.56, 91,565.87 and 25,568.21 is: 38,325.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,086.56 : 91,565.87 = 25,568.21 : x
  2. Step 2: Convert to fraction form
    61,086.56/91,565.87 = 25,568.21/x
  3. Step 3: Cross multiply
    61,086.56x = 91,565.87 × 25,568.21
  4. Step 4: Simplify right side
    61,086.56x = 2,341,175,494.07
  5. Step 5: Solve for x
    x = 2,341,175,494.07/61,086.56
  6. Step 6: Final answer
    x = 38,325.54

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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.