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Finding the Fourth Proportional to 16,891.68, 25,339.68 and 6,502.08

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Solution

The fourth proportional to 16,891.68, 25,339.68 and 6,502.08 is: 9,753.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,891.68 : 25,339.68 = 6,502.08 : x
  2. Step 2: Convert to fraction form
    16,891.68/25,339.68 = 6,502.08/x
  3. Step 3: Cross multiply
    16,891.68x = 25,339.68 × 6,502.08
  4. Step 4: Simplify right side
    16,891.68x = 164,760,626.53
  5. Step 5: Solve for x
    x = 164,760,626.53/16,891.68
  6. Step 6: Final answer
    x = 9,753.95

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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.