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Finding the Fourth Proportional to 22,013.40, 33,020.10 and 20,045.10

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Solution

The fourth proportional to 22,013.40, 33,020.10 and 20,045.10 is: 30,067.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,013.40 : 33,020.10 = 20,045.10 : x
  2. Step 2: Convert to fraction form
    22,013.40/33,020.10 = 20,045.10/x
  3. Step 3: Cross multiply
    22,013.40x = 33,020.10 × 20,045.10
  4. Step 4: Simplify right side
    22,013.40x = 661,891,206.51
  5. Step 5: Solve for x
    x = 661,891,206.51/22,013.40
  6. Step 6: Final answer
    x = 30,067.65

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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.