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Finding the Fourth Proportional to 17,863,464.22, 26,796,794.72 and 6,933,397.60

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Solution

The fourth proportional to 17,863,464.22, 26,796,794.72 and 6,933,397.60 is: 10,400,716.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,863,464.22 : 26,796,794.72 = 6,933,397.60 : x
  2. Step 2: Convert to fraction form
    17,863,464.22/26,796,794.72 = 6,933,397.60/x
  3. Step 3: Cross multiply
    17,863,464.22x = 26,796,794.72 × 6,933,397.60
  4. Step 4: Simplify right side
    17,863,464.22x = 185,792,832,030,689.69
  5. Step 5: Solve for x
    x = 185,792,832,030,689.69/17,863,464.22
  6. Step 6: Final answer
    x = 10,400,716.78

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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.