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Finding the Fourth Proportional to 62,861.11, 86,748.96 and 34,567

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Solution

The fourth proportional to 62,861.11, 86,748.96 and 34,567 is: 47,702.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,861.11 : 86,748.96 = 34,567 : x
  2. Step 2: Convert to fraction form
    62,861.11/86,748.96 = 34,567/x
  3. Step 3: Cross multiply
    62,861.11x = 86,748.96 × 34,567
  4. Step 4: Simplify right side
    62,861.11x = 2,998,651,300.32
  5. Step 5: Solve for x
    x = 2,998,651,300.32/62,861.11
  6. Step 6: Final answer
    x = 47,702.81

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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.