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Finding the Fourth Proportional to 63,060, 87,023.39 and 34,766.70

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Solution

The fourth proportional to 63,060, 87,023.39 and 34,766.70 is: 47,978.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,060 : 87,023.39 = 34,766.70 : x
  2. Step 2: Convert to fraction form
    63,060/87,023.39 = 34,766.70/x
  3. Step 3: Cross multiply
    63,060x = 87,023.39 × 34,766.70
  4. Step 4: Simplify right side
    63,060x = 3,025,516,093.11
  5. Step 5: Solve for x
    x = 3,025,516,093.11/63,060
  6. Step 6: Final answer
    x = 47,978.37

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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.