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Finding the Fourth Proportional to 8,713.55, 13,067.89 and 6,241.02

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Solution

The fourth proportional to 8,713.55, 13,067.89 and 6,241.02 is: 9,359.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,713.55 : 13,067.89 = 6,241.02 : x
  2. Step 2: Convert to fraction form
    8,713.55/13,067.89 = 6,241.02/x
  3. Step 3: Cross multiply
    8,713.55x = 13,067.89 × 6,241.02
  4. Step 4: Simplify right side
    8,713.55x = 81,556,947.25
  5. Step 5: Solve for x
    x = 81,556,947.25/8,713.55
  6. Step 6: Final answer
    x = 9,359.79

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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.