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Finding the Fourth Proportional to 6,149.28, 9,219.04 and 3,549.28

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Solution

The fourth proportional to 6,149.28, 9,219.04 and 3,549.28 is: 5,321.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,149.28 : 9,219.04 = 3,549.28 : x
  2. Step 2: Convert to fraction form
    6,149.28/9,219.04 = 3,549.28/x
  3. Step 3: Cross multiply
    6,149.28x = 9,219.04 × 3,549.28
  4. Step 4: Simplify right side
    6,149.28x = 32,720,954.29
  5. Step 5: Solve for x
    x = 32,720,954.29/6,149.28
  6. Step 6: Final answer
    x = 5,321.10

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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.