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Finding the Fourth Proportional to 16,891.75, 25,337.72 and 4,579.75

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Solution

The fourth proportional to 16,891.75, 25,337.72 and 4,579.75 is: 6,869.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,891.75 : 25,337.72 = 4,579.75 : x
  2. Step 2: Convert to fraction form
    16,891.75/25,337.72 = 4,579.75/x
  3. Step 3: Cross multiply
    16,891.75x = 25,337.72 × 4,579.75
  4. Step 4: Simplify right side
    16,891.75x = 116,040,423.17
  5. Step 5: Solve for x
    x = 116,040,423.17/16,891.75
  6. Step 6: Final answer
    x = 6,869.65

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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.