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Finding the Fourth Proportional to 14,242.92, 21,367.92 and 5,920.44

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Solution

The fourth proportional to 14,242.92, 21,367.92 and 5,920.44 is: 8,882.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,242.92 : 21,367.92 = 5,920.44 : x
  2. Step 2: Convert to fraction form
    14,242.92/21,367.92 = 5,920.44/x
  3. Step 3: Cross multiply
    14,242.92x = 21,367.92 × 5,920.44
  4. Step 4: Simplify right side
    14,242.92x = 126,507,488.28
  5. Step 5: Solve for x
    x = 126,507,488.28/14,242.92
  6. Step 6: Final answer
    x = 8,882.13

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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.