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Finding the Fourth Proportional to 22,272.75, 33,409.13 and 5,856.75

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Solution

The fourth proportional to 22,272.75, 33,409.13 and 5,856.75 is: 8,785.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,272.75 : 33,409.13 = 5,856.75 : x
  2. Step 2: Convert to fraction form
    22,272.75/33,409.13 = 5,856.75/x
  3. Step 3: Cross multiply
    22,272.75x = 33,409.13 × 5,856.75
  4. Step 4: Simplify right side
    22,272.75x = 195,668,892.84
  5. Step 5: Solve for x
    x = 195,668,892.84/22,272.75
  6. Step 6: Final answer
    x = 8,785.13

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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.