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Finding the Fourth Proportional to 6,367.11, 9,551.15 and 1,687.10

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Solution

The fourth proportional to 6,367.11, 9,551.15 and 1,687.10 is: 2,530.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,367.11 : 9,551.15 = 1,687.10 : x
  2. Step 2: Convert to fraction form
    6,367.11/9,551.15 = 1,687.10/x
  3. Step 3: Cross multiply
    6,367.11x = 9,551.15 × 1,687.10
  4. Step 4: Simplify right side
    6,367.11x = 16,113,745.17
  5. Step 5: Solve for x
    x = 16,113,745.17/6,367.11
  6. Step 6: Final answer
    x = 2,530.78

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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.