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Finding the Fourth Proportional to 5,752.02, 7,933.15 and 3,863.03

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Solution

The fourth proportional to 5,752.02, 7,933.15 and 3,863.03 is: 5,327.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,752.02 : 7,933.15 = 3,863.03 : x
  2. Step 2: Convert to fraction form
    5,752.02/7,933.15 = 3,863.03/x
  3. Step 3: Cross multiply
    5,752.02x = 7,933.15 × 3,863.03
  4. Step 4: Simplify right side
    5,752.02x = 30,645,996.44
  5. Step 5: Solve for x
    x = 30,645,996.44/5,752.02
  6. Step 6: Final answer
    x = 5,327.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.