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Finding the Fourth Proportional to 5,563,927.90, 8,341,906.65 and 2,149,291.90

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Solution

The fourth proportional to 5,563,927.90, 8,341,906.65 and 2,149,291.90 is: 3,222,398.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,563,927.90 : 8,341,906.65 = 2,149,291.90 : x
  2. Step 2: Convert to fraction form
    5,563,927.90/8,341,906.65 = 2,149,291.90/x
  3. Step 3: Cross multiply
    5,563,927.90x = 8,341,906.65 × 2,149,291.90
  4. Step 4: Simplify right side
    5,563,927.90x = 17,929,192,393,401.14
  5. Step 5: Solve for x
    x = 17,929,192,393,401.14/5,563,927.90
  6. Step 6: Final answer
    x = 3,222,398.41

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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.