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Finding the Fourth Proportional to 5,264,500.32, 7,899,668.64 and 2,568,847.84

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Solution

The fourth proportional to 5,264,500.32, 7,899,668.64 and 2,568,847.84 is: 3,854,695.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,264,500.32 : 7,899,668.64 = 2,568,847.84 : x
  2. Step 2: Convert to fraction form
    5,264,500.32/7,899,668.64 = 2,568,847.84/x
  3. Step 3: Cross multiply
    5,264,500.32x = 7,899,668.64 × 2,568,847.84
  4. Step 4: Simplify right side
    5,264,500.32x = 20,293,046,722,579.73
  5. Step 5: Solve for x
    x = 20,293,046,722,579.73/5,264,500.32
  6. Step 6: Final answer
    x = 3,854,695.70

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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.