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Finding the Fourth Proportional to 22,169.79, 33,247.53 and 7,374.78

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Solution

The fourth proportional to 22,169.79, 33,247.53 and 7,374.78 is: 11,059.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,169.79 : 33,247.53 = 7,374.78 : x
  2. Step 2: Convert to fraction form
    22,169.79/33,247.53 = 7,374.78/x
  3. Step 3: Cross multiply
    22,169.79x = 33,247.53 × 7,374.78
  4. Step 4: Simplify right side
    22,169.79x = 245,193,219.29
  5. Step 5: Solve for x
    x = 245,193,219.29/22,169.79
  6. Step 6: Final answer
    x = 11,059.79

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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.