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Finding the Fourth Proportional to 3,566.85, 5,350.25 and 969.78

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Solution

The fourth proportional to 3,566.85, 5,350.25 and 969.78 is: 1,454.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,566.85 : 5,350.25 = 969.78 : x
  2. Step 2: Convert to fraction form
    3,566.85/5,350.25 = 969.78/x
  3. Step 3: Cross multiply
    3,566.85x = 5,350.25 × 969.78
  4. Step 4: Simplify right side
    3,566.85x = 5,188,541.12
  5. Step 5: Solve for x
    x = 5,188,541.12/3,566.85
  6. Step 6: Final answer
    x = 1,454.66

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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.