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Finding the Fourth Proportional to 61,191.64, 91,734 and 23,725.90

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Solution

The fourth proportional to 61,191.64, 91,734 and 23,725.90 is: 35,568.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,191.64 : 91,734 = 23,725.90 : x
  2. Step 2: Convert to fraction form
    61,191.64/91,734 = 23,725.90/x
  3. Step 3: Cross multiply
    61,191.64x = 91,734 × 23,725.90
  4. Step 4: Simplify right side
    61,191.64x = 2,176,471,710.60
  5. Step 5: Solve for x
    x = 2,176,471,710.60/61,191.64
  6. Step 6: Final answer
    x = 35,568.12

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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.