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Finding the Fourth Proportional to 62,869.73, 86,761.08 and 36,012.22

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Solution

The fourth proportional to 62,869.73, 86,761.08 and 36,012.22 is: 49,697.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,869.73 : 86,761.08 = 36,012.22 : x
  2. Step 2: Convert to fraction form
    62,869.73/86,761.08 = 36,012.22/x
  3. Step 3: Cross multiply
    62,869.73x = 86,761.08 × 36,012.22
  4. Step 4: Simplify right side
    62,869.73x = 3,124,459,100.40
  5. Step 5: Solve for x
    x = 3,124,459,100.40/62,869.73
  6. Step 6: Final answer
    x = 49,697.35

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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.