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Finding the Fourth Proportional to 22,439.68, 33,684.13 and 9,301.28

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Solution

The fourth proportional to 22,439.68, 33,684.13 and 9,301.28 is: 13,962.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,439.68 : 33,684.13 = 9,301.28 : x
  2. Step 2: Convert to fraction form
    22,439.68/33,684.13 = 9,301.28/x
  3. Step 3: Cross multiply
    22,439.68x = 33,684.13 × 9,301.28
  4. Step 4: Simplify right side
    22,439.68x = 313,305,315.57
  5. Step 5: Solve for x
    x = 313,305,315.57/22,439.68
  6. Step 6: Final answer
    x = 13,962.11

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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.