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Finding the Fourth Proportional to 69,612.28, 104,418.42 and 17,021.14

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Solution

The fourth proportional to 69,612.28, 104,418.42 and 17,021.14 is: 25,531.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,612.28 : 104,418.42 = 17,021.14 : x
  2. Step 2: Convert to fraction form
    69,612.28/104,418.42 = 17,021.14/x
  3. Step 3: Cross multiply
    69,612.28x = 104,418.42 × 17,021.14
  4. Step 4: Simplify right side
    69,612.28x = 1,777,320,545.40
  5. Step 5: Solve for x
    x = 1,777,320,545.40/69,612.28
  6. Step 6: Final answer
    x = 25,531.71

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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.