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Finding the Fourth Proportional to 2,193.99, 3,291.08 and 733.16

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Solution

The fourth proportional to 2,193.99, 3,291.08 and 733.16 is: 1,099.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,193.99 : 3,291.08 = 733.16 : x
  2. Step 2: Convert to fraction form
    2,193.99/3,291.08 = 733.16/x
  3. Step 3: Cross multiply
    2,193.99x = 3,291.08 × 733.16
  4. Step 4: Simplify right side
    2,193.99x = 2,412,868.09
  5. Step 5: Solve for x
    x = 2,412,868.09/2,193.99
  6. Step 6: Final answer
    x = 1,099.76

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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.