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Finding the Fourth Proportional to 17,279.16, 25,919.22 and 4,800.10

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Solution

The fourth proportional to 17,279.16, 25,919.22 and 4,800.10 is: 7,200.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,279.16 : 25,919.22 = 4,800.10 : x
  2. Step 2: Convert to fraction form
    17,279.16/25,919.22 = 4,800.10/x
  3. Step 3: Cross multiply
    17,279.16x = 25,919.22 × 4,800.10
  4. Step 4: Simplify right side
    17,279.16x = 124,414,847.92
  5. Step 5: Solve for x
    x = 124,414,847.92/17,279.16
  6. Step 6: Final answer
    x = 7,200.28

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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.