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Finding the Fourth Proportional to 3,888.05, 5,832.02 and 966.33

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Solution

The fourth proportional to 3,888.05, 5,832.02 and 966.33 is: 1,449.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,888.05 : 5,832.02 = 966.33 : x
  2. Step 2: Convert to fraction form
    3,888.05/5,832.02 = 966.33/x
  3. Step 3: Cross multiply
    3,888.05x = 5,832.02 × 966.33
  4. Step 4: Simplify right side
    3,888.05x = 5,635,651.05
  5. Step 5: Solve for x
    x = 5,635,651.05/3,888.05
  6. Step 6: Final answer
    x = 1,449.48

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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.