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Finding the Fourth Proportional to 41,891.40, 62,843.85 and 13,803.30

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Solution

The fourth proportional to 41,891.40, 62,843.85 and 13,803.30 is: 20,707.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,891.40 : 62,843.85 = 13,803.30 : x
  2. Step 2: Convert to fraction form
    41,891.40/62,843.85 = 13,803.30/x
  3. Step 3: Cross multiply
    41,891.40x = 62,843.85 × 13,803.30
  4. Step 4: Simplify right side
    41,891.40x = 867,452,514.71
  5. Step 5: Solve for x
    x = 867,452,514.71/41,891.40
  6. Step 6: Final answer
    x = 20,707.17

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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.