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Finding the Fourth Proportional to 62,406.80, 93,610.20 and 22,965.20

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Solution

The fourth proportional to 62,406.80, 93,610.20 and 22,965.20 is: 34,447.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,406.80 : 93,610.20 = 22,965.20 : x
  2. Step 2: Convert to fraction form
    62,406.80/93,610.20 = 22,965.20/x
  3. Step 3: Cross multiply
    62,406.80x = 93,610.20 × 22,965.20
  4. Step 4: Simplify right side
    62,406.80x = 2,149,776,965.04
  5. Step 5: Solve for x
    x = 2,149,776,965.04/62,406.80
  6. Step 6: Final answer
    x = 34,447.80

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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.