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Finding the Fourth Proportional to 22,007.80, 33,027.90 and 8,869.60

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Solution

The fourth proportional to 22,007.80, 33,027.90 and 8,869.60 is: 13,310.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,007.80 : 33,027.90 = 8,869.60 : x
  2. Step 2: Convert to fraction form
    22,007.80/33,027.90 = 8,869.60/x
  3. Step 3: Cross multiply
    22,007.80x = 33,027.90 × 8,869.60
  4. Step 4: Simplify right side
    22,007.80x = 292,944,261.84
  5. Step 5: Solve for x
    x = 292,944,261.84/22,007.80
  6. Step 6: Final answer
    x = 13,310.93

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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.