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Finding the Fourth Proportional to 6,741,006.51, 9,301,393.20 and 3,987,809.97

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Solution

The fourth proportional to 6,741,006.51, 9,301,393.20 and 3,987,809.97 is: 5,502,470.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,741,006.51 : 9,301,393.20 = 3,987,809.97 : x
  2. Step 2: Convert to fraction form
    6,741,006.51/9,301,393.20 = 3,987,809.97/x
  3. Step 3: Cross multiply
    6,741,006.51x = 9,301,393.20 × 3,987,809.97
  4. Step 4: Simplify right side
    6,741,006.51x = 37,092,188,537,850.20
  5. Step 5: Solve for x
    x = 37,092,188,537,850.20/6,741,006.51
  6. Step 6: Final answer
    x = 5,502,470.36

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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.