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Finding the Fourth Proportional to 5,796,661.86, 7,999,643.19 and 3,218,342.82

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Solution

The fourth proportional to 5,796,661.86, 7,999,643.19 and 3,218,342.82 is: 4,441,451.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,796,661.86 : 7,999,643.19 = 3,218,342.82 : x
  2. Step 2: Convert to fraction form
    5,796,661.86/7,999,643.19 = 3,218,342.82/x
  3. Step 3: Cross multiply
    5,796,661.86x = 7,999,643.19 × 3,218,342.82
  4. Step 4: Simplify right side
    5,796,661.86x = 25,745,594,223,098.39
  5. Step 5: Solve for x
    x = 25,745,594,223,098.39/5,796,661.86
  6. Step 6: Final answer
    x = 4,441,451.79

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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.