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Finding the Fourth Proportional to 3,567.43, 5,350.20 and 969.76

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Solution

The fourth proportional to 3,567.43, 5,350.20 and 969.76 is: 1,454.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,567.43 : 5,350.20 = 969.76 : x
  2. Step 2: Convert to fraction form
    3,567.43/5,350.20 = 969.76/x
  3. Step 3: Cross multiply
    3,567.43x = 5,350.20 × 969.76
  4. Step 4: Simplify right side
    3,567.43x = 5,188,409.95
  5. Step 5: Solve for x
    x = 5,188,409.95/3,567.43
  6. Step 6: Final answer
    x = 1,454.38

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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.