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Finding the Fourth Proportional to 22,434.40, 33,635.40 and 12,576.70

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Solution

The fourth proportional to 22,434.40, 33,635.40 and 12,576.70 is: 18,855.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,434.40 : 33,635.40 = 12,576.70 : x
  2. Step 2: Convert to fraction form
    22,434.40/33,635.40 = 12,576.70/x
  3. Step 3: Cross multiply
    22,434.40x = 33,635.40 × 12,576.70
  4. Step 4: Simplify right side
    22,434.40x = 423,022,335.18
  5. Step 5: Solve for x
    x = 423,022,335.18/22,434.40
  6. Step 6: Final answer
    x = 18,855.97

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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.