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Finding the Fourth Proportional to 22,655.91, 33,983.87 and 7,074.87

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Solution

The fourth proportional to 22,655.91, 33,983.87 and 7,074.87 is: 10,612.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,655.91 : 33,983.87 = 7,074.87 : x
  2. Step 2: Convert to fraction form
    22,655.91/33,983.87 = 7,074.87/x
  3. Step 3: Cross multiply
    22,655.91x = 33,983.87 × 7,074.87
  4. Step 4: Simplify right side
    22,655.91x = 240,431,426.97
  5. Step 5: Solve for x
    x = 240,431,426.97/22,655.91
  6. Step 6: Final answer
    x = 10,612.31

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Similar ratio
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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.