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Finding the Fourth Proportional to 10,354.70, 15,532.05 and 7,183.55

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Solution

The fourth proportional to 10,354.70, 15,532.05 and 7,183.55 is: 10,775.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,354.70 : 15,532.05 = 7,183.55 : x
  2. Step 2: Convert to fraction form
    10,354.70/15,532.05 = 7,183.55/x
  3. Step 3: Cross multiply
    10,354.70x = 15,532.05 × 7,183.55
  4. Step 4: Simplify right side
    10,354.70x = 111,575,257.78
  5. Step 5: Solve for x
    x = 111,575,257.78/10,354.70
  6. Step 6: Final answer
    x = 10,775.33

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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.