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Finding the Fourth Proportional to 29,959.20, 41,344.20 and 18,020.22

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Solution

The fourth proportional to 29,959.20, 41,344.20 and 18,020.22 is: 24,868.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,959.20 : 41,344.20 = 18,020.22 : x
  2. Step 2: Convert to fraction form
    29,959.20/41,344.20 = 18,020.22/x
  3. Step 3: Cross multiply
    29,959.20x = 41,344.20 × 18,020.22
  4. Step 4: Simplify right side
    29,959.20x = 745,031,579.72
  5. Step 5: Solve for x
    x = 745,031,579.72/29,959.20
  6. Step 6: Final answer
    x = 24,868.21

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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.