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Finding the Fourth Proportional to 16,689.52, 25,034.28 and 6,826.42

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Solution

The fourth proportional to 16,689.52, 25,034.28 and 6,826.42 is: 10,239.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,689.52 : 25,034.28 = 6,826.42 : x
  2. Step 2: Convert to fraction form
    16,689.52/25,034.28 = 6,826.42/x
  3. Step 3: Cross multiply
    16,689.52x = 25,034.28 × 6,826.42
  4. Step 4: Simplify right side
    16,689.52x = 170,894,509.68
  5. Step 5: Solve for x
    x = 170,894,509.68/16,689.52
  6. Step 6: Final answer
    x = 10,239.63

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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.