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Finding the Fourth Proportional to 22,279.46, 33,419.18 and 8,952.46

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Solution

The fourth proportional to 22,279.46, 33,419.18 and 8,952.46 is: 13,428.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,279.46 : 33,419.18 = 8,952.46 : x
  2. Step 2: Convert to fraction form
    22,279.46/33,419.18 = 8,952.46/x
  3. Step 3: Cross multiply
    22,279.46x = 33,419.18 × 8,952.46
  4. Step 4: Simplify right side
    22,279.46x = 299,183,952.00
  5. Step 5: Solve for x
    x = 299,183,952.00/22,279.46
  6. Step 6: Final answer
    x = 13,428.69

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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.