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Finding the Fourth Proportional to 7,404.60, 11,082.60 and 5,752.20

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Solution

The fourth proportional to 7,404.60, 11,082.60 and 5,752.20 is: 8,609.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,404.60 : 11,082.60 = 5,752.20 : x
  2. Step 2: Convert to fraction form
    7,404.60/11,082.60 = 5,752.20/x
  3. Step 3: Cross multiply
    7,404.60x = 11,082.60 × 5,752.20
  4. Step 4: Simplify right side
    7,404.60x = 63,749,331.72
  5. Step 5: Solve for x
    x = 63,749,331.72/7,404.60
  6. Step 6: Final answer
    x = 8,609.42

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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.