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Finding the Fourth Proportional to 22,327.28, 33,490.90 and 6,744.90

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Solution

The fourth proportional to 22,327.28, 33,490.90 and 6,744.90 is: 10,117.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,327.28 : 33,490.90 = 6,744.90 : x
  2. Step 2: Convert to fraction form
    22,327.28/33,490.90 = 6,744.90/x
  3. Step 3: Cross multiply
    22,327.28x = 33,490.90 × 6,744.90
  4. Step 4: Simplify right side
    22,327.28x = 225,892,771.41
  5. Step 5: Solve for x
    x = 225,892,771.41/22,327.28
  6. Step 6: Final answer
    x = 10,117.34

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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.