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Finding the Fourth Proportional to 62,406.45, 93,591.45 and 22,420.80

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Solution

The fourth proportional to 62,406.45, 93,591.45 and 22,420.80 is: 33,624.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,406.45 : 93,591.45 = 22,420.80 : x
  2. Step 2: Convert to fraction form
    62,406.45/93,591.45 = 22,420.80/x
  3. Step 3: Cross multiply
    62,406.45x = 93,591.45 × 22,420.80
  4. Step 4: Simplify right side
    62,406.45x = 2,098,395,182.16
  5. Step 5: Solve for x
    x = 2,098,395,182.16/62,406.45
  6. Step 6: Final answer
    x = 33,624.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.