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Finding the Fourth Proportional to 63,710.48, 87,912.78 and 35,025.40

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Solution

The fourth proportional to 63,710.48, 87,912.78 and 35,025.40 is: 48,330.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,710.48 : 87,912.78 = 35,025.40 : x
  2. Step 2: Convert to fraction form
    63,710.48/87,912.78 = 35,025.40/x
  3. Step 3: Cross multiply
    63,710.48x = 87,912.78 × 35,025.40
  4. Step 4: Simplify right side
    63,710.48x = 3,079,180,284.61
  5. Step 5: Solve for x
    x = 3,079,180,284.61/63,710.48
  6. Step 6: Final answer
    x = 48,330.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.