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Finding the Fourth Proportional to 3,562.88, 5,344.30 and 965.80

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Solution

The fourth proportional to 3,562.88, 5,344.30 and 965.80 is: 1,448.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,562.88 : 5,344.30 = 965.80 : x
  2. Step 2: Convert to fraction form
    3,562.88/5,344.30 = 965.80/x
  3. Step 3: Cross multiply
    3,562.88x = 5,344.30 × 965.80
  4. Step 4: Simplify right side
    3,562.88x = 5,161,524.94
  5. Step 5: Solve for x
    x = 5,161,524.94/3,562.88
  6. Step 6: Final answer
    x = 1,448.69

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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.