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Finding the Fourth Proportional to 8,396,608.32, 11,590,894.71 and 5,644,891.71

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Solution

The fourth proportional to 8,396,608.32, 11,590,894.71 and 5,644,891.71 is: 7,792,354.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,396,608.32 : 11,590,894.71 = 5,644,891.71 : x
  2. Step 2: Convert to fraction form
    8,396,608.32/11,590,894.71 = 5,644,891.71/x
  3. Step 3: Cross multiply
    8,396,608.32x = 11,590,894.71 × 5,644,891.71
  4. Step 4: Simplify right side
    8,396,608.32x = 65,429,345,459,961.86
  5. Step 5: Solve for x
    x = 65,429,345,459,961.86/8,396,608.32
  6. Step 6: Final answer
    x = 7,792,354.12

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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.