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Finding the Fourth Proportional to 7,452.70, 11,178.41 and 2,522.23

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Solution

The fourth proportional to 7,452.70, 11,178.41 and 2,522.23 is: 3,783.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,452.70 : 11,178.41 = 2,522.23 : x
  2. Step 2: Convert to fraction form
    7,452.70/11,178.41 = 2,522.23/x
  3. Step 3: Cross multiply
    7,452.70x = 11,178.41 × 2,522.23
  4. Step 4: Simplify right side
    7,452.70x = 28,194,508.44
  5. Step 5: Solve for x
    x = 28,194,508.44/7,452.70
  6. Step 6: Final answer
    x = 3,783.13

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Half scale
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Double scale
Find fourth proportional to 7,453.70, 11,179.90 and 2,523.23
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.