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Finding the Fourth Proportional to 12,687.93, 19,025.10 and 7,067.34

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Solution

The fourth proportional to 12,687.93, 19,025.10 and 7,067.34 is: 10,597.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,687.93 : 19,025.10 = 7,067.34 : x
  2. Step 2: Convert to fraction form
    12,687.93/19,025.10 = 7,067.34/x
  3. Step 3: Cross multiply
    12,687.93x = 19,025.10 × 7,067.34
  4. Step 4: Simplify right side
    12,687.93x = 134,456,850.23
  5. Step 5: Solve for x
    x = 134,456,850.23/12,687.93
  6. Step 6: Final answer
    x = 10,597.23

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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.