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Finding the Fourth Proportional to 62,708.28, 86,531.71 and 37,210.25

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Solution

The fourth proportional to 62,708.28, 86,531.71 and 37,210.25 is: 51,346.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,708.28 : 86,531.71 = 37,210.25 : x
  2. Step 2: Convert to fraction form
    62,708.28/86,531.71 = 37,210.25/x
  3. Step 3: Cross multiply
    62,708.28x = 86,531.71 × 37,210.25
  4. Step 4: Simplify right side
    62,708.28x = 3,219,866,375.98
  5. Step 5: Solve for x
    x = 3,219,866,375.98/62,708.28
  6. Step 6: Final answer
    x = 51,346.75

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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.