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Finding the Fourth Proportional to 63,586.88, 87,748.27 and 34,906.40

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Solution

The fourth proportional to 63,586.88, 87,748.27 and 34,906.40 is: 48,169.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,586.88 : 87,748.27 = 34,906.40 : x
  2. Step 2: Convert to fraction form
    63,586.88/87,748.27 = 34,906.40/x
  3. Step 3: Cross multiply
    63,586.88x = 87,748.27 × 34,906.40
  4. Step 4: Simplify right side
    63,586.88x = 3,062,976,211.93
  5. Step 5: Solve for x
    x = 3,062,976,211.93/63,586.88
  6. Step 6: Final answer
    x = 48,169.94

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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.