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Finding the Fourth Proportional to 5,285.26, 7,923.43 and 2,649.52

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Solution

The fourth proportional to 5,285.26, 7,923.43 and 2,649.52 is: 3,972.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,285.26 : 7,923.43 = 2,649.52 : x
  2. Step 2: Convert to fraction form
    5,285.26/7,923.43 = 2,649.52/x
  3. Step 3: Cross multiply
    5,285.26x = 7,923.43 × 2,649.52
  4. Step 4: Simplify right side
    5,285.26x = 20,993,233.39
  5. Step 5: Solve for x
    x = 20,993,233.39/5,285.26
  6. Step 6: Final answer
    x = 3,972.04

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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.