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Finding the Fourth Proportional to 27,166.20, 40,700.70 and 22,986.60

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Solution

The fourth proportional to 27,166.20, 40,700.70 and 22,986.60 is: 34,438.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,166.20 : 40,700.70 = 22,986.60 : x
  2. Step 2: Convert to fraction form
    27,166.20/40,700.70 = 22,986.60/x
  3. Step 3: Cross multiply
    27,166.20x = 40,700.70 × 22,986.60
  4. Step 4: Simplify right side
    27,166.20x = 935,570,710.62
  5. Step 5: Solve for x
    x = 935,570,710.62/27,166.20
  6. Step 6: Final answer
    x = 34,438.78

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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.