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Finding the Fourth Proportional to 22,439.82, 33,663.42 and 8,404.68

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Solution

The fourth proportional to 22,439.82, 33,663.42 and 8,404.68 is: 12,608.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,439.82 : 33,663.42 = 8,404.68 : x
  2. Step 2: Convert to fraction form
    22,439.82/33,663.42 = 8,404.68/x
  3. Step 3: Cross multiply
    22,439.82x = 33,663.42 × 8,404.68
  4. Step 4: Simplify right side
    22,439.82x = 282,930,272.81
  5. Step 5: Solve for x
    x = 282,930,272.81/22,439.82
  6. Step 6: Final answer
    x = 12,608.40

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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.