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Finding the Fourth Proportional to 33,121,800, 49,682,700 and 9,187,272

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Solution

The fourth proportional to 33,121,800, 49,682,700 and 9,187,272 is: 13,780,908

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,121,800 : 49,682,700 = 9,187,272 : x
  2. Step 2: Convert to fraction form
    33,121,800/49,682,700 = 9,187,272/x
  3. Step 3: Cross multiply
    33,121,800x = 49,682,700 × 9,187,272
  4. Step 4: Simplify right side
    33,121,800x = 456,448,478,594,400
  5. Step 5: Solve for x
    x = 456,448,478,594,400/33,121,800
  6. Step 6: Final answer
    x = 13,780,908

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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.