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Finding the Fourth Proportional to 5,398,966.98, 8,100,495.99 and 3,241,498.77

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Solution

The fourth proportional to 5,398,966.98, 8,100,495.99 and 3,241,498.77 is: 4,863,476.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,398,966.98 : 8,100,495.99 = 3,241,498.77 : x
  2. Step 2: Convert to fraction form
    5,398,966.98/8,100,495.99 = 3,241,498.77/x
  3. Step 3: Cross multiply
    5,398,966.98x = 8,100,495.99 × 3,241,498.77
  4. Step 4: Simplify right side
    5,398,966.98x = 26,257,747,787,974.93
  5. Step 5: Solve for x
    x = 26,257,747,787,974.93/5,398,966.98
  6. Step 6: Final answer
    x = 4,863,476.27

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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.