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Finding the Fourth Proportional to 8,854.93, 13,241.39 and 6,857.92

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Solution

The fourth proportional to 8,854.93, 13,241.39 and 6,857.92 is: 10,255.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,854.93 : 13,241.39 = 6,857.92 : x
  2. Step 2: Convert to fraction form
    8,854.93/13,241.39 = 6,857.92/x
  3. Step 3: Cross multiply
    8,854.93x = 13,241.39 × 6,857.92
  4. Step 4: Simplify right side
    8,854.93x = 90,808,375.57
  5. Step 5: Solve for x
    x = 90,808,375.57/8,854.93
  6. Step 6: Final answer
    x = 10,255.12

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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.