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Finding the Fourth Proportional to 62,661.31, 86,473.03 and 34,367.20

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Solution

The fourth proportional to 62,661.31, 86,473.03 and 34,367.20 is: 47,426.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,661.31 : 86,473.03 = 34,367.20 : x
  2. Step 2: Convert to fraction form
    62,661.31/86,473.03 = 34,367.20/x
  3. Step 3: Cross multiply
    62,661.31x = 86,473.03 × 34,367.20
  4. Step 4: Simplify right side
    62,661.31x = 2,971,835,398.33
  5. Step 5: Solve for x
    x = 2,971,835,398.33/62,661.31
  6. Step 6: Final answer
    x = 47,426.96

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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.