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Finding the Fourth Proportional to 17,959.05, 24,791.13 and 11,243.16

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Solution

The fourth proportional to 17,959.05, 24,791.13 and 11,243.16 is: 15,520.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,959.05 : 24,791.13 = 11,243.16 : x
  2. Step 2: Convert to fraction form
    17,959.05/24,791.13 = 11,243.16/x
  3. Step 3: Cross multiply
    17,959.05x = 24,791.13 × 11,243.16
  4. Step 4: Simplify right side
    17,959.05x = 278,730,641.17
  5. Step 5: Solve for x
    x = 278,730,641.17/17,959.05
  6. Step 6: Final answer
    x = 15,520.34

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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.