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Finding the Fourth Proportional to 2,231.66, 3,347.54 and 933.14

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Solution

The fourth proportional to 2,231.66, 3,347.54 and 933.14 is: 1,399.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,231.66 : 3,347.54 = 933.14 : x
  2. Step 2: Convert to fraction form
    2,231.66/3,347.54 = 933.14/x
  3. Step 3: Cross multiply
    2,231.66x = 3,347.54 × 933.14
  4. Step 4: Simplify right side
    2,231.66x = 3,123,723.48
  5. Step 5: Solve for x
    x = 3,123,723.48/2,231.66
  6. Step 6: Final answer
    x = 1,399.73

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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.