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Finding the Fourth Proportional to 4,891,669.88, 7,304,565.28 and 3,994,891.88

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Solution

The fourth proportional to 4,891,669.88, 7,304,565.28 and 3,994,891.88 is: 5,965,437.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,891,669.88 : 7,304,565.28 = 3,994,891.88 : x
  2. Step 2: Convert to fraction form
    4,891,669.88/7,304,565.28 = 3,994,891.88/x
  3. Step 3: Cross multiply
    4,891,669.88x = 7,304,565.28 × 3,994,891.88
  4. Step 4: Simplify right side
    4,891,669.88x = 29,180,948,524,001.93
  5. Step 5: Solve for x
    x = 29,180,948,524,001.93/4,891,669.88
  6. Step 6: Final answer
    x = 5,965,437.01

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.