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Finding the Fourth Proportional to 62,619.39, 86,414.76 and 34,324.47

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Solution

The fourth proportional to 62,619.39, 86,414.76 and 34,324.47 is: 47,367.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,619.39 : 86,414.76 = 34,324.47 : x
  2. Step 2: Convert to fraction form
    62,619.39/86,414.76 = 34,324.47/x
  3. Step 3: Cross multiply
    62,619.39x = 86,414.76 × 34,324.47
  4. Step 4: Simplify right side
    62,619.39x = 2,966,140,837.18
  5. Step 5: Solve for x
    x = 2,966,140,837.18/62,619.39
  6. Step 6: Final answer
    x = 47,367.77

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.