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Finding the Fourth Proportional to 10,669,992.90, 16,005,701.96 and 3,752,642.22

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Solution

The fourth proportional to 10,669,992.90, 16,005,701.96 and 3,752,642.22 is: 5,629,213.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,669,992.90 : 16,005,701.96 = 3,752,642.22 : x
  2. Step 2: Convert to fraction form
    10,669,992.90/16,005,701.96 = 3,752,642.22/x
  3. Step 3: Cross multiply
    10,669,992.90x = 16,005,701.96 × 3,752,642.22
  4. Step 4: Simplify right side
    10,669,992.90x = 60,063,672,917,069.55
  5. Step 5: Solve for x
    x = 60,063,672,917,069.55/10,669,992.90
  6. Step 6: Final answer
    x = 5,629,213.95

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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.