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Finding the Fourth Proportional to 17,279.71, 25,919.52 and 6,898.75

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Solution

The fourth proportional to 17,279.71, 25,919.52 and 6,898.75 is: 10,348.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,279.71 : 25,919.52 = 6,898.75 : x
  2. Step 2: Convert to fraction form
    17,279.71/25,919.52 = 6,898.75/x
  3. Step 3: Cross multiply
    17,279.71x = 25,919.52 × 6,898.75
  4. Step 4: Simplify right side
    17,279.71x = 178,812,288.60
  5. Step 5: Solve for x
    x = 178,812,288.60/17,279.71
  6. Step 6: Final answer
    x = 10,348.11

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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.