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Finding the Fourth Proportional to 5,983,791.78, 8,975,687.64 and 1,496,067.78

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Solution

The fourth proportional to 5,983,791.78, 8,975,687.64 and 1,496,067.78 is: 2,244,101.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,983,791.78 : 8,975,687.64 = 1,496,067.78 : x
  2. Step 2: Convert to fraction form
    5,983,791.78/8,975,687.64 = 1,496,067.78/x
  3. Step 3: Cross multiply
    5,983,791.78x = 8,975,687.64 × 1,496,067.78
  4. Step 4: Simplify right side
    5,983,791.78x = 13,428,237,081,548.24
  5. Step 5: Solve for x
    x = 13,428,237,081,548.24/5,983,791.78
  6. Step 6: Final answer
    x = 2,244,101.66

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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.