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Finding the Fourth Proportional to 22,182.45, 33,278.46 and 6,387.37

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Solution

The fourth proportional to 22,182.45, 33,278.46 and 6,387.37 is: 9,582.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,182.45 : 33,278.46 = 6,387.37 : x
  2. Step 2: Convert to fraction form
    22,182.45/33,278.46 = 6,387.37/x
  3. Step 3: Cross multiply
    22,182.45x = 33,278.46 × 6,387.37
  4. Step 4: Simplify right side
    22,182.45x = 212,561,854.70
  5. Step 5: Solve for x
    x = 212,561,854.70/22,182.45
  6. Step 6: Final answer
    x = 9,582.43

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