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Finding the Fourth Proportional to 3,566.98, 5,350.61 and 969.90

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Solution

The fourth proportional to 3,566.98, 5,350.61 and 969.90 is: 1,454.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,566.98 : 5,350.61 = 969.90 : x
  2. Step 2: Convert to fraction form
    3,566.98/5,350.61 = 969.90/x
  3. Step 3: Cross multiply
    3,566.98x = 5,350.61 × 969.90
  4. Step 4: Simplify right side
    3,566.98x = 5,189,556.64
  5. Step 5: Solve for x
    x = 5,189,556.64/3,566.98
  6. Step 6: Final answer
    x = 1,454.89

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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.