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Finding the Fourth Proportional to 62,388.55, 86,099.30 and 36,909.82

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Solution

The fourth proportional to 62,388.55, 86,099.30 and 36,909.82 is: 50,937.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,388.55 : 86,099.30 = 36,909.82 : x
  2. Step 2: Convert to fraction form
    62,388.55/86,099.30 = 36,909.82/x
  3. Step 3: Cross multiply
    62,388.55x = 86,099.30 × 36,909.82
  4. Step 4: Simplify right side
    62,388.55x = 3,177,909,726.61
  5. Step 5: Solve for x
    x = 3,177,909,726.61/62,388.55
  6. Step 6: Final answer
    x = 50,937.39

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1.5x scale

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.