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Finding the Fourth Proportional to 63,059.75, 87,023.05 and 34,766.45

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Solution

The fourth proportional to 63,059.75, 87,023.05 and 34,766.45 is: 47,978.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,059.75 : 87,023.05 = 34,766.45 : x
  2. Step 2: Convert to fraction form
    63,059.75/87,023.05 = 34,766.45/x
  3. Step 3: Cross multiply
    63,059.75x = 87,023.05 × 34,766.45
  4. Step 4: Simplify right side
    63,059.75x = 3,025,482,342.84
  5. Step 5: Solve for x
    x = 3,025,482,342.84/63,059.75
  6. Step 6: Final answer
    x = 47,978.03

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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.