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Finding the Fourth Proportional to 22,249.46, 33,374.14 and 8,928.45

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Solution

The fourth proportional to 22,249.46, 33,374.14 and 8,928.45 is: 13,392.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,249.46 : 33,374.14 = 8,928.45 : x
  2. Step 2: Convert to fraction form
    22,249.46/33,374.14 = 8,928.45/x
  3. Step 3: Cross multiply
    22,249.46x = 33,374.14 × 8,928.45
  4. Step 4: Simplify right side
    22,249.46x = 297,979,340.28
  5. Step 5: Solve for x
    x = 297,979,340.28/22,249.46
  6. Step 6: Final answer
    x = 13,392.65

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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.