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Finding the Fourth Proportional to 22,177.84, 33,270.78 and 7,385.32

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Solution

The fourth proportional to 22,177.84, 33,270.78 and 7,385.32 is: 11,079.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,177.84 : 33,270.78 = 7,385.32 : x
  2. Step 2: Convert to fraction form
    22,177.84/33,270.78 = 7,385.32/x
  3. Step 3: Cross multiply
    22,177.84x = 33,270.78 × 7,385.32
  4. Step 4: Simplify right side
    22,177.84x = 245,715,356.95
  5. Step 5: Solve for x
    x = 245,715,356.95/22,177.84
  6. Step 6: Final answer
    x = 11,079.32

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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.