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Finding the Fourth Proportional to 22,402.50, 33,609.83 and 6,820.13

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Solution

The fourth proportional to 22,402.50, 33,609.83 and 6,820.13 is: 10,232.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,402.50 : 33,609.83 = 6,820.13 : x
  2. Step 2: Convert to fraction form
    22,402.50/33,609.83 = 6,820.13/x
  3. Step 3: Cross multiply
    22,402.50x = 33,609.83 × 6,820.13
  4. Step 4: Simplify right side
    22,402.50x = 229,223,207.73
  5. Step 5: Solve for x
    x = 229,223,207.73/22,402.50
  6. Step 6: Final answer
    x = 10,232.04

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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.