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Finding the Fourth Proportional to 22,119.68, 33,167.22 and 7,324.64

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Solution

The fourth proportional to 22,119.68, 33,167.22 and 7,324.64 is: 10,982.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,119.68 : 33,167.22 = 7,324.64 : x
  2. Step 2: Convert to fraction form
    22,119.68/33,167.22 = 7,324.64/x
  3. Step 3: Cross multiply
    22,119.68x = 33,167.22 × 7,324.64
  4. Step 4: Simplify right side
    22,119.68x = 242,937,946.30
  5. Step 5: Solve for x
    x = 242,937,946.30/22,119.68
  6. Step 6: Final answer
    x = 10,982.89

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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.