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Finding the Fourth Proportional to 5,567.45, 8,351.86 and 1,819.14

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Solution

The fourth proportional to 5,567.45, 8,351.86 and 1,819.14 is: 2,728.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,567.45 : 8,351.86 = 1,819.14 : x
  2. Step 2: Convert to fraction form
    5,567.45/8,351.86 = 1,819.14/x
  3. Step 3: Cross multiply
    5,567.45x = 8,351.86 × 1,819.14
  4. Step 4: Simplify right side
    5,567.45x = 15,193,229.16
  5. Step 5: Solve for x
    x = 15,193,229.16/5,567.45
  6. Step 6: Final answer
    x = 2,728.94

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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.