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Finding the Fourth Proportional to 3,027.88, 4,178.16 and 1,849.24

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Solution

The fourth proportional to 3,027.88, 4,178.16 and 1,849.24 is: 2,551.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,027.88 : 4,178.16 = 1,849.24 : x
  2. Step 2: Convert to fraction form
    3,027.88/4,178.16 = 1,849.24/x
  3. Step 3: Cross multiply
    3,027.88x = 4,178.16 × 1,849.24
  4. Step 4: Simplify right side
    3,027.88x = 7,726,420.60
  5. Step 5: Solve for x
    x = 7,726,420.60/3,027.88
  6. Step 6: Final answer
    x = 2,551.76

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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.