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Finding the Fourth Proportional to 44,921.62, 67,382.22 and 11,638.84

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Solution

The fourth proportional to 44,921.62, 67,382.22 and 11,638.84 is: 17,458.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,921.62 : 67,382.22 = 11,638.84 : x
  2. Step 2: Convert to fraction form
    44,921.62/67,382.22 = 11,638.84/x
  3. Step 3: Cross multiply
    44,921.62x = 67,382.22 × 11,638.84
  4. Step 4: Simplify right side
    44,921.62x = 784,250,877.42
  5. Step 5: Solve for x
    x = 784,250,877.42/44,921.62
  6. Step 6: Final answer
    x = 17,458.21

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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.