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Finding the Fourth Proportional to 18,100.71, 24,974.46 and 11,026.17

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Solution

The fourth proportional to 18,100.71, 24,974.46 and 11,026.17 is: 15,213.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,100.71 : 24,974.46 = 11,026.17 : x
  2. Step 2: Convert to fraction form
    18,100.71/24,974.46 = 11,026.17/x
  3. Step 3: Cross multiply
    18,100.71x = 24,974.46 × 11,026.17
  4. Step 4: Simplify right side
    18,100.71x = 275,372,641.62
  5. Step 5: Solve for x
    x = 275,372,641.62/18,100.71
  6. Step 6: Final answer
    x = 15,213.36

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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.