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Finding the Fourth Proportional to 62,969.70, 86,902.17 and 34,675.41

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Solution

The fourth proportional to 62,969.70, 86,902.17 and 34,675.41 is: 47,854.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,969.70 : 86,902.17 = 34,675.41 : x
  2. Step 2: Convert to fraction form
    62,969.70/86,902.17 = 34,675.41/x
  3. Step 3: Cross multiply
    62,969.70x = 86,902.17 × 34,675.41
  4. Step 4: Simplify right side
    62,969.70x = 3,013,368,374.64
  5. Step 5: Solve for x
    x = 3,013,368,374.64/62,969.70
  6. Step 6: Final answer
    x = 47,854.26

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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.