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Finding the Fourth Proportional to 8,882.61, 13,324.23 and 2,642.46

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Solution

The fourth proportional to 8,882.61, 13,324.23 and 2,642.46 is: 3,963.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,882.61 : 13,324.23 = 2,642.46 : x
  2. Step 2: Convert to fraction form
    8,882.61/13,324.23 = 2,642.46/x
  3. Step 3: Cross multiply
    8,882.61x = 13,324.23 × 2,642.46
  4. Step 4: Simplify right side
    8,882.61x = 35,208,744.81
  5. Step 5: Solve for x
    x = 35,208,744.81/8,882.61
  6. Step 6: Final answer
    x = 3,963.78

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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.