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Finding the Fourth Proportional to 62,511.71, 86,265.99 and 33,831.42

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Solution

The fourth proportional to 62,511.71, 86,265.99 and 33,831.42 is: 46,687.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,511.71 : 86,265.99 = 33,831.42 : x
  2. Step 2: Convert to fraction form
    62,511.71/86,265.99 = 33,831.42/x
  3. Step 3: Cross multiply
    62,511.71x = 86,265.99 × 33,831.42
  4. Step 4: Simplify right side
    62,511.71x = 2,918,501,402.06
  5. Step 5: Solve for x
    x = 2,918,501,402.06/62,511.71
  6. Step 6: Final answer
    x = 46,687.28

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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.