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Finding the Fourth Proportional to 7,141.44, 10,671.22 and 5,443.44

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Solution

The fourth proportional to 7,141.44, 10,671.22 and 5,443.44 is: 8,133.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,141.44 : 10,671.22 = 5,443.44 : x
  2. Step 2: Convert to fraction form
    7,141.44/10,671.22 = 5,443.44/x
  3. Step 3: Cross multiply
    7,141.44x = 10,671.22 × 5,443.44
  4. Step 4: Simplify right side
    7,141.44x = 58,088,145.80
  5. Step 5: Solve for x
    x = 58,088,145.80/7,141.44
  6. Step 6: Final answer
    x = 8,133.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.