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Finding the Fourth Proportional to 62,877.96, 86,770.66 and 34,581.96

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Solution

The fourth proportional to 62,877.96, 86,770.66 and 34,581.96 is: 47,722.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,877.96 : 86,770.66 = 34,581.96 : x
  2. Step 2: Convert to fraction form
    62,877.96/86,770.66 = 34,581.96/x
  3. Step 3: Cross multiply
    62,877.96x = 86,770.66 × 34,581.96
  4. Step 4: Simplify right side
    62,877.96x = 3,000,699,493.29
  5. Step 5: Solve for x
    x = 3,000,699,493.29/62,877.96
  6. Step 6: Final answer
    x = 47,722.60

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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.