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Finding the Fourth Proportional to 63,908.40, 95,862.60 and 57,687.60

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Solution

The fourth proportional to 63,908.40, 95,862.60 and 57,687.60 is: 86,531.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,908.40 : 95,862.60 = 57,687.60 : x
  2. Step 2: Convert to fraction form
    63,908.40/95,862.60 = 57,687.60/x
  3. Step 3: Cross multiply
    63,908.40x = 95,862.60 × 57,687.60
  4. Step 4: Simplify right side
    63,908.40x = 5,530,083,323.76
  5. Step 5: Solve for x
    x = 5,530,083,323.76/63,908.40
  6. Step 6: Final answer
    x = 86,531.40

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1.5x scale

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.