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Finding the Fourth Proportional to 6,369,795.75, 8,790,186.92 and 3,469,237.59

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Solution

The fourth proportional to 6,369,795.75, 8,790,186.92 and 3,469,237.59 is: 4,787,476.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,369,795.75 : 8,790,186.92 = 3,469,237.59 : x
  2. Step 2: Convert to fraction form
    6,369,795.75/8,790,186.92 = 3,469,237.59/x
  3. Step 3: Cross multiply
    6,369,795.75x = 8,790,186.92 × 3,469,237.59
  4. Step 4: Simplify right side
    6,369,795.75x = 30,495,246,868,644.13
  5. Step 5: Solve for x
    x = 30,495,246,868,644.13/6,369,795.75
  6. Step 6: Final answer
    x = 4,787,476.41

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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.