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Finding the Fourth Proportional to 62,713.78, 86,544.78 and 34,033.57

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Solution

The fourth proportional to 62,713.78, 86,544.78 and 34,033.57 is: 46,966.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,713.78 : 86,544.78 = 34,033.57 : x
  2. Step 2: Convert to fraction form
    62,713.78/86,544.78 = 34,033.57/x
  3. Step 3: Cross multiply
    62,713.78x = 86,544.78 × 34,033.57
  4. Step 4: Simplify right side
    62,713.78x = 2,945,427,828.26
  5. Step 5: Solve for x
    x = 2,945,427,828.26/62,713.78
  6. Step 6: Final answer
    x = 46,966.20

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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.