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Finding the Fourth Proportional to 3,548.99, 5,323.49 and 1,083.82

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Solution

The fourth proportional to 3,548.99, 5,323.49 and 1,083.82 is: 1,625.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,548.99 : 5,323.49 = 1,083.82 : x
  2. Step 2: Convert to fraction form
    3,548.99/5,323.49 = 1,083.82/x
  3. Step 3: Cross multiply
    3,548.99x = 5,323.49 × 1,083.82
  4. Step 4: Simplify right side
    3,548.99x = 5,769,704.93
  5. Step 5: Solve for x
    x = 5,769,704.93/3,548.99
  6. Step 6: Final answer
    x = 1,625.73

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Half scale
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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.