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Finding the Fourth Proportional to 22,934.31, 34,246.16 and 18,201.21

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Solution

The fourth proportional to 22,934.31, 34,246.16 and 18,201.21 is: 27,178.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,934.31 : 34,246.16 = 18,201.21 : x
  2. Step 2: Convert to fraction form
    22,934.31/34,246.16 = 18,201.21/x
  3. Step 3: Cross multiply
    22,934.31x = 34,246.16 × 18,201.21
  4. Step 4: Simplify right side
    22,934.31x = 623,321,458.85
  5. Step 5: Solve for x
    x = 623,321,458.85/22,934.31
  6. Step 6: Final answer
    x = 27,178.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.