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Finding the Fourth Proportional to 2,132.68, 3,197.94 and 833.80

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Solution

The fourth proportional to 2,132.68, 3,197.94 and 833.80 is: 1,250.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,132.68 : 3,197.94 = 833.80 : x
  2. Step 2: Convert to fraction form
    2,132.68/3,197.94 = 833.80/x
  3. Step 3: Cross multiply
    2,132.68x = 3,197.94 × 833.80
  4. Step 4: Simplify right side
    2,132.68x = 2,666,442.37
  5. Step 5: Solve for x
    x = 2,666,442.37/2,132.68
  6. Step 6: Final answer
    x = 1,250.28

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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.