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Finding the Fourth Proportional to 22,007.67, 33,011.16 and 8,859.70

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Solution

The fourth proportional to 22,007.67, 33,011.16 and 8,859.70 is: 13,289.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,007.67 : 33,011.16 = 8,859.70 : x
  2. Step 2: Convert to fraction form
    22,007.67/33,011.16 = 8,859.70/x
  3. Step 3: Cross multiply
    22,007.67x = 33,011.16 × 8,859.70
  4. Step 4: Simplify right side
    22,007.67x = 292,468,974.25
  5. Step 5: Solve for x
    x = 292,468,974.25/22,007.67
  6. Step 6: Final answer
    x = 13,289.41

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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.