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Finding the Fourth Proportional to 3,649.28, 5,473.92 and 1,052.22

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Solution

The fourth proportional to 3,649.28, 5,473.92 and 1,052.22 is: 1,578.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,649.28 : 5,473.92 = 1,052.22 : x
  2. Step 2: Convert to fraction form
    3,649.28/5,473.92 = 1,052.22/x
  3. Step 3: Cross multiply
    3,649.28x = 5,473.92 × 1,052.22
  4. Step 4: Simplify right side
    3,649.28x = 5,759,768.10
  5. Step 5: Solve for x
    x = 5,759,768.10/3,649.28
  6. Step 6: Final answer
    x = 1,578.33

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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.