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Finding the Fourth Proportional to 47,389,866, 71,084,799 and 11,488,074

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Solution

The fourth proportional to 47,389,866, 71,084,799 and 11,488,074 is: 17,232,111

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,389,866 : 71,084,799 = 11,488,074 : x
  2. Step 2: Convert to fraction form
    47,389,866/71,084,799 = 11,488,074/x
  3. Step 3: Cross multiply
    47,389,866x = 71,084,799 × 11,488,074
  4. Step 4: Simplify right side
    47,389,866x = 816,627,431,187,126
  5. Step 5: Solve for x
    x = 816,627,431,187,126/47,389,866
  6. Step 6: Final answer
    x = 17,232,111

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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.