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Finding the Fourth Proportional to 7,371.44, 11,057.16 and 3,675.40

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Solution

The fourth proportional to 7,371.44, 11,057.16 and 3,675.40 is: 5,513.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,371.44 : 11,057.16 = 3,675.40 : x
  2. Step 2: Convert to fraction form
    7,371.44/11,057.16 = 3,675.40/x
  3. Step 3: Cross multiply
    7,371.44x = 11,057.16 × 3,675.40
  4. Step 4: Simplify right side
    7,371.44x = 40,639,485.86
  5. Step 5: Solve for x
    x = 40,639,485.86/7,371.44
  6. Step 6: Final answer
    x = 5,513.10

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Similar ratio
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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.