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Finding the Fourth Proportional to 2,674.06, 4,008.16 and 1,375.60

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Solution

The fourth proportional to 2,674.06, 4,008.16 and 1,375.60 is: 2,061.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,674.06 : 4,008.16 = 1,375.60 : x
  2. Step 2: Convert to fraction form
    2,674.06/4,008.16 = 1,375.60/x
  3. Step 3: Cross multiply
    2,674.06x = 4,008.16 × 1,375.60
  4. Step 4: Simplify right side
    2,674.06x = 5,513,624.90
  5. Step 5: Solve for x
    x = 5,513,624.90/2,674.06
  6. Step 6: Final answer
    x = 2,061.89

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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.