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Finding the Fourth Proportional to 12,610.11, 18,879.48 and 6,673.52

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Solution

The fourth proportional to 12,610.11, 18,879.48 and 6,673.52 is: 9,991.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,610.11 : 18,879.48 = 6,673.52 : x
  2. Step 2: Convert to fraction form
    12,610.11/18,879.48 = 6,673.52/x
  3. Step 3: Cross multiply
    12,610.11x = 18,879.48 × 6,673.52
  4. Step 4: Simplify right side
    12,610.11x = 125,992,634.57
  5. Step 5: Solve for x
    x = 125,992,634.57/12,610.11
  6. Step 6: Final answer
    x = 9,991.40

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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.