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Finding the Fourth Proportional to 22,244,891.60, 31,187,638 and 22,244,891.60

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Solution

The fourth proportional to 22,244,891.60, 31,187,638 and 22,244,891.60 is: 31,187,638

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,244,891.60 : 31,187,638 = 22,244,891.60 : x
  2. Step 2: Convert to fraction form
    22,244,891.60/31,187,638 = 22,244,891.60/x
  3. Step 3: Cross multiply
    22,244,891.60x = 31,187,638 × 22,244,891.60
  4. Step 4: Simplify right side
    22,244,891.60x = 693,765,626,570,040.88
  5. Step 5: Solve for x
    x = 693,765,626,570,040.88/22,244,891.60
  6. Step 6: Final answer
    x = 31,187,638

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.