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Finding the Fourth Proportional to 63,354.78, 87,426.54 and 35,059.86

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Solution

The fourth proportional to 63,354.78, 87,426.54 and 35,059.86 is: 48,380.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,354.78 : 87,426.54 = 35,059.86 : x
  2. Step 2: Convert to fraction form
    63,354.78/87,426.54 = 35,059.86/x
  3. Step 3: Cross multiply
    63,354.78x = 87,426.54 × 35,059.86
  4. Step 4: Simplify right side
    63,354.78x = 3,065,162,252.68
  5. Step 5: Solve for x
    x = 3,065,162,252.68/63,354.78
  6. Step 6: Final answer
    x = 48,380.92

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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.