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Finding the Fourth Proportional to 3,647.44, 5,471.16 and 1,050.49

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Solution

The fourth proportional to 3,647.44, 5,471.16 and 1,050.49 is: 1,575.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,647.44 : 5,471.16 = 1,050.49 : x
  2. Step 2: Convert to fraction form
    3,647.44/5,471.16 = 1,050.49/x
  3. Step 3: Cross multiply
    3,647.44x = 5,471.16 × 1,050.49
  4. Step 4: Simplify right side
    3,647.44x = 5,747,398.87
  5. Step 5: Solve for x
    x = 5,747,398.87/3,647.44
  6. Step 6: Final answer
    x = 1,575.74

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Double scale
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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.