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Finding the Fourth Proportional to 62,854.30, 86,726.53 and 35,259.88

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Solution

The fourth proportional to 62,854.30, 86,726.53 and 35,259.88 is: 48,651.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,854.30 : 86,726.53 = 35,259.88 : x
  2. Step 2: Convert to fraction form
    62,854.30/86,726.53 = 35,259.88/x
  3. Step 3: Cross multiply
    62,854.30x = 86,726.53 × 35,259.88
  4. Step 4: Simplify right side
    62,854.30x = 3,057,967,040.62
  5. Step 5: Solve for x
    x = 3,057,967,040.62/62,854.30
  6. Step 6: Final answer
    x = 48,651.68

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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.