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Finding the Fourth Proportional to 16,449.79, 24,674.59 and 5,919.79

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Solution

The fourth proportional to 16,449.79, 24,674.59 and 5,919.79 is: 8,879.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,449.79 : 24,674.59 = 5,919.79 : x
  2. Step 2: Convert to fraction form
    16,449.79/24,674.59 = 5,919.79/x
  3. Step 3: Cross multiply
    16,449.79x = 24,674.59 × 5,919.79
  4. Step 4: Simplify right side
    16,449.79x = 146,068,391.14
  5. Step 5: Solve for x
    x = 146,068,391.14/16,449.79
  6. Step 6: Final answer
    x = 8,879.65

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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.