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Finding the Fourth Proportional to 62,726.88, 86,557.68 and 35,860.80

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Solution

The fourth proportional to 62,726.88, 86,557.68 and 35,860.80 is: 49,484.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,726.88 : 86,557.68 = 35,860.80 : x
  2. Step 2: Convert to fraction form
    62,726.88/86,557.68 = 35,860.80/x
  3. Step 3: Cross multiply
    62,726.88x = 86,557.68 × 35,860.80
  4. Step 4: Simplify right side
    62,726.88x = 3,104,027,650.94
  5. Step 5: Solve for x
    x = 3,104,027,650.94/62,726.88
  6. Step 6: Final answer
    x = 49,484.81

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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.