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Finding the Fourth Proportional to 16,891.56, 25,339.68 and 5,799.60

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Solution

The fourth proportional to 16,891.56, 25,339.68 and 5,799.60 is: 8,700.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,891.56 : 25,339.68 = 5,799.60 : x
  2. Step 2: Convert to fraction form
    16,891.56/25,339.68 = 5,799.60/x
  3. Step 3: Cross multiply
    16,891.56x = 25,339.68 × 5,799.60
  4. Step 4: Simplify right side
    16,891.56x = 146,960,008.13
  5. Step 5: Solve for x
    x = 146,960,008.13/16,891.56
  6. Step 6: Final answer
    x = 8,700.20

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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.