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Finding the Fourth Proportional to 36,693,791.40, 55,040,468.40 and 9,400,031.40

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Solution

The fourth proportional to 36,693,791.40, 55,040,468.40 and 9,400,031.40 is: 14,099,991.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,693,791.40 : 55,040,468.40 = 9,400,031.40 : x
  2. Step 2: Convert to fraction form
    36,693,791.40/55,040,468.40 = 9,400,031.40/x
  3. Step 3: Cross multiply
    36,693,791.40x = 55,040,468.40 × 9,400,031.40
  4. Step 4: Simplify right side
    36,693,791.40x = 517,382,131,230,707.75
  5. Step 5: Solve for x
    x = 517,382,131,230,707.75/36,693,791.40
  6. Step 6: Final answer
    x = 14,099,991.07

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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.