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Finding the Fourth Proportional to 3,652.56, 5,480.28 and 1,344.24

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Solution

The fourth proportional to 3,652.56, 5,480.28 and 1,344.24 is: 2,016.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,652.56 : 5,480.28 = 1,344.24 : x
  2. Step 2: Convert to fraction form
    3,652.56/5,480.28 = 1,344.24/x
  3. Step 3: Cross multiply
    3,652.56x = 5,480.28 × 1,344.24
  4. Step 4: Simplify right side
    3,652.56x = 7,366,811.59
  5. Step 5: Solve for x
    x = 7,366,811.59/3,652.56
  6. Step 6: Final answer
    x = 2,016.89

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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.