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Finding the Fourth Proportional to 16,689.93, 25,044.11 and 6,836.12

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Solution

The fourth proportional to 16,689.93, 25,044.11 and 6,836.12 is: 10,257.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,689.93 : 25,044.11 = 6,836.12 : x
  2. Step 2: Convert to fraction form
    16,689.93/25,044.11 = 6,836.12/x
  3. Step 3: Cross multiply
    16,689.93x = 25,044.11 × 6,836.12
  4. Step 4: Simplify right side
    16,689.93x = 171,204,541.25
  5. Step 5: Solve for x
    x = 171,204,541.25/16,689.93
  6. Step 6: Final answer
    x = 10,257.95

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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.