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Finding the Fourth Proportional to 16,579.80, 22,879.38 and 9,025.94

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Solution

The fourth proportional to 16,579.80, 22,879.38 and 9,025.94 is: 12,455.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,579.80 : 22,879.38 = 9,025.94 : x
  2. Step 2: Convert to fraction form
    16,579.80/22,879.38 = 9,025.94/x
  3. Step 3: Cross multiply
    16,579.80x = 22,879.38 × 9,025.94
  4. Step 4: Simplify right side
    16,579.80x = 206,507,822.70
  5. Step 5: Solve for x
    x = 206,507,822.70/16,579.80
  6. Step 6: Final answer
    x = 12,455.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.