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Finding the Fourth Proportional to 27,959.56, 38,585.25 and 16,025.20

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Solution

The fourth proportional to 27,959.56, 38,585.25 and 16,025.20 is: 22,115.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,959.56 : 38,585.25 = 16,025.20 : x
  2. Step 2: Convert to fraction form
    27,959.56/38,585.25 = 16,025.20/x
  3. Step 3: Cross multiply
    27,959.56x = 38,585.25 × 16,025.20
  4. Step 4: Simplify right side
    27,959.56x = 618,336,348.30
  5. Step 5: Solve for x
    x = 618,336,348.30/27,959.56
  6. Step 6: Final answer
    x = 22,115.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.