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Finding the Fourth Proportional to 16,579.78, 24,863.67 and 7,219.30

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Solution

The fourth proportional to 16,579.78, 24,863.67 and 7,219.30 is: 10,826.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,579.78 : 24,863.67 = 7,219.30 : x
  2. Step 2: Convert to fraction form
    16,579.78/24,863.67 = 7,219.30/x
  3. Step 3: Cross multiply
    16,579.78x = 24,863.67 × 7,219.30
  4. Step 4: Simplify right side
    16,579.78x = 179,498,292.83
  5. Step 5: Solve for x
    x = 179,498,292.83/16,579.78
  6. Step 6: Final answer
    x = 10,826.34

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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.