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Finding the Fourth Proportional to 3,566.28, 5,349.41 and 969.22

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Solution

The fourth proportional to 3,566.28, 5,349.41 and 969.22 is: 1,453.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,566.28 : 5,349.41 = 969.22 : x
  2. Step 2: Convert to fraction form
    3,566.28/5,349.41 = 969.22/x
  3. Step 3: Cross multiply
    3,566.28x = 5,349.41 × 969.22
  4. Step 4: Simplify right side
    3,566.28x = 5,184,755.16
  5. Step 5: Solve for x
    x = 5,184,755.16/3,566.28
  6. Step 6: Final answer
    x = 1,453.83

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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.