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Finding the Fourth Proportional to 63,060.79, 87,023.22 and 34,380.37

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Solution

The fourth proportional to 63,060.79, 87,023.22 and 34,380.37 is: 47,444.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,060.79 : 87,023.22 = 34,380.37 : x
  2. Step 2: Convert to fraction form
    63,060.79/87,023.22 = 34,380.37/x
  3. Step 3: Cross multiply
    63,060.79x = 87,023.22 × 34,380.37
  4. Step 4: Simplify right side
    63,060.79x = 2,991,890,823.49
  5. Step 5: Solve for x
    x = 2,991,890,823.49/63,060.79
  6. Step 6: Final answer
    x = 47,444.55

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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.