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Finding the Fourth Proportional to 12,249.40, 16,903.16 and 6,944.70

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Solution

The fourth proportional to 12,249.40, 16,903.16 and 6,944.70 is: 9,583.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,249.40 : 16,903.16 = 6,944.70 : x
  2. Step 2: Convert to fraction form
    12,249.40/16,903.16 = 6,944.70/x
  3. Step 3: Cross multiply
    12,249.40x = 16,903.16 × 6,944.70
  4. Step 4: Simplify right side
    12,249.40x = 117,387,375.25
  5. Step 5: Solve for x
    x = 117,387,375.25/12,249.40
  6. Step 6: Final answer
    x = 9,583.11

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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.