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Finding the Fourth Proportional to 22,521.80, 33,734.10 and 20,059.40

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Solution

The fourth proportional to 22,521.80, 33,734.10 and 20,059.40 is: 30,045.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,521.80 : 33,734.10 = 20,059.40 : x
  2. Step 2: Convert to fraction form
    22,521.80/33,734.10 = 20,059.40/x
  3. Step 3: Cross multiply
    22,521.80x = 33,734.10 × 20,059.40
  4. Step 4: Simplify right side
    22,521.80x = 676,685,805.54
  5. Step 5: Solve for x
    x = 676,685,805.54/22,521.80
  6. Step 6: Final answer
    x = 30,045.81

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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.