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Finding the Fourth Proportional to 12,850.99, 19,249.13 and 6,177.71

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Solution

The fourth proportional to 12,850.99, 19,249.13 and 6,177.71 is: 9,253.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,850.99 : 19,249.13 = 6,177.71 : x
  2. Step 2: Convert to fraction form
    12,850.99/19,249.13 = 6,177.71/x
  3. Step 3: Cross multiply
    12,850.99x = 19,249.13 × 6,177.71
  4. Step 4: Simplify right side
    12,850.99x = 118,915,542.89
  5. Step 5: Solve for x
    x = 118,915,542.89/12,850.99
  6. Step 6: Final answer
    x = 9,253.41

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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.