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Finding the Fourth Proportional to 5,917,304.80, 8,879,456.40 and 3,901,376.80

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Solution

The fourth proportional to 5,917,304.80, 8,879,456.40 and 3,901,376.80 is: 5,854,372.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,917,304.80 : 8,879,456.40 = 3,901,376.80 : x
  2. Step 2: Convert to fraction form
    5,917,304.80/8,879,456.40 = 3,901,376.80/x
  3. Step 3: Cross multiply
    5,917,304.80x = 8,879,456.40 × 3,901,376.80
  4. Step 4: Simplify right side
    5,917,304.80x = 34,642,105,195,571.52
  5. Step 5: Solve for x
    x = 34,642,105,195,571.52/5,917,304.80
  6. Step 6: Final answer
    x = 5,854,372.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.