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Finding the Fourth Proportional to 22,290.92, 33,412.82 and 8,241.93

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Solution

The fourth proportional to 22,290.92, 33,412.82 and 8,241.93 is: 12,354.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,290.92 : 33,412.82 = 8,241.93 : x
  2. Step 2: Convert to fraction form
    22,290.92/33,412.82 = 8,241.93/x
  3. Step 3: Cross multiply
    22,290.92x = 33,412.82 × 8,241.93
  4. Step 4: Simplify right side
    22,290.92x = 275,386,123.54
  5. Step 5: Solve for x
    x = 275,386,123.54/22,290.92
  6. Step 6: Final answer
    x = 12,354.18

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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.