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Finding the Fourth Proportional to 22,006.67, 33,009.66 and 8,858.70

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Solution

The fourth proportional to 22,006.67, 33,009.66 and 8,858.70 is: 13,287.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,006.67 : 33,009.66 = 8,858.70 : x
  2. Step 2: Convert to fraction form
    22,006.67/33,009.66 = 8,858.70/x
  3. Step 3: Cross multiply
    22,006.67x = 33,009.66 × 8,858.70
  4. Step 4: Simplify right side
    22,006.67x = 292,422,675.04
  5. Step 5: Solve for x
    x = 292,422,675.04/22,006.67
  6. Step 6: Final answer
    x = 13,287.91

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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.