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Finding the Fourth Proportional to 7,388.11, 11,082.16 and 2,193.99

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Solution

The fourth proportional to 7,388.11, 11,082.16 and 2,193.99 is: 3,290.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,388.11 : 11,082.16 = 2,193.99 : x
  2. Step 2: Convert to fraction form
    7,388.11/11,082.16 = 2,193.99/x
  3. Step 3: Cross multiply
    7,388.11x = 11,082.16 × 2,193.99
  4. Step 4: Simplify right side
    7,388.11x = 24,314,109.40
  5. Step 5: Solve for x
    x = 24,314,109.40/7,388.11
  6. Step 6: Final answer
    x = 3,290.98

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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.