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Finding the Fourth Proportional to 16,719.06, 25,062.09 and 7,960.12

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Solution

The fourth proportional to 16,719.06, 25,062.09 and 7,960.12 is: 11,932.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,719.06 : 25,062.09 = 7,960.12 : x
  2. Step 2: Convert to fraction form
    16,719.06/25,062.09 = 7,960.12/x
  3. Step 3: Cross multiply
    16,719.06x = 25,062.09 × 7,960.12
  4. Step 4: Simplify right side
    16,719.06x = 199,497,243.85
  5. Step 5: Solve for x
    x = 199,497,243.85/16,719.06
  6. Step 6: Final answer
    x = 11,932.32

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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.