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Finding the Fourth Proportional to 22,191.84, 33,292.98 and 6,609.78

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Solution

The fourth proportional to 22,191.84, 33,292.98 and 6,609.78 is: 9,916.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,191.84 : 33,292.98 = 6,609.78 : x
  2. Step 2: Convert to fraction form
    22,191.84/33,292.98 = 6,609.78/x
  3. Step 3: Cross multiply
    22,191.84x = 33,292.98 × 6,609.78
  4. Step 4: Simplify right side
    22,191.84x = 220,059,273.34
  5. Step 5: Solve for x
    x = 220,059,273.34/22,191.84
  6. Step 6: Final answer
    x = 9,916.22

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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.