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Finding the Fourth Proportional to 3,765.27, 5,648.19 and 1,574.22

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Solution

The fourth proportional to 3,765.27, 5,648.19 and 1,574.22 is: 2,361.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,765.27 : 5,648.19 = 1,574.22 : x
  2. Step 2: Convert to fraction form
    3,765.27/5,648.19 = 1,574.22/x
  3. Step 3: Cross multiply
    3,765.27x = 5,648.19 × 1,574.22
  4. Step 4: Simplify right side
    3,765.27x = 8,891,493.66
  5. Step 5: Solve for x
    x = 8,891,493.66/3,765.27
  6. Step 6: Final answer
    x = 2,361.45

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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.