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Finding the Fourth Proportional to 22,833.20, 34,201.20 and 18,945.20

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Solution

The fourth proportional to 22,833.20, 34,201.20 and 18,945.20 is: 28,377.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,833.20 : 34,201.20 = 18,945.20 : x
  2. Step 2: Convert to fraction form
    22,833.20/34,201.20 = 18,945.20/x
  3. Step 3: Cross multiply
    22,833.20x = 34,201.20 × 18,945.20
  4. Step 4: Simplify right side
    22,833.20x = 647,948,574.24
  5. Step 5: Solve for x
    x = 647,948,574.24/22,833.20
  6. Step 6: Final answer
    x = 28,377.48

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1.5x scale

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.