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Finding the Fourth Proportional to 6,788,046.24, 9,367,494.48 and 3,888,375.84

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Solution

The fourth proportional to 6,788,046.24, 9,367,494.48 and 3,888,375.84 is: 5,365,953.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,788,046.24 : 9,367,494.48 = 3,888,375.84 : x
  2. Step 2: Convert to fraction form
    6,788,046.24/9,367,494.48 = 3,888,375.84/x
  3. Step 3: Cross multiply
    6,788,046.24x = 9,367,494.48 × 3,888,375.84
  4. Step 4: Simplify right side
    6,788,046.24x = 36,424,339,217,365.37
  5. Step 5: Solve for x
    x = 36,424,339,217,365.37/6,788,046.24
  6. Step 6: Final answer
    x = 5,365,953.31

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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.