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Finding the Fourth Proportional to 6,788,446.56, 9,367,990.38 and 3,690,969.89

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Solution

The fourth proportional to 6,788,446.56, 9,367,990.38 and 3,690,969.89 is: 5,093,502.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,788,446.56 : 9,367,990.38 = 3,690,969.89 : x
  2. Step 2: Convert to fraction form
    6,788,446.56/9,367,990.38 = 3,690,969.89/x
  3. Step 3: Cross multiply
    6,788,446.56x = 9,367,990.38 × 3,690,969.89
  4. Step 4: Simplify right side
    6,788,446.56x = 34,576,970,375,549.71
  5. Step 5: Solve for x
    x = 34,576,970,375,549.71/6,788,446.56
  6. Step 6: Final answer
    x = 5,093,502.63

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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.