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Finding the Fourth Proportional to 4,109,912.20, 5,766,474.20 and 4,109,912.20

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Solution

The fourth proportional to 4,109,912.20, 5,766,474.20 and 4,109,912.20 is: 5,766,474.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,109,912.20 : 5,766,474.20 = 4,109,912.20 : x
  2. Step 2: Convert to fraction form
    4,109,912.20/5,766,474.20 = 4,109,912.20/x
  3. Step 3: Cross multiply
    4,109,912.20x = 5,766,474.20 × 4,109,912.20
  4. Step 4: Simplify right side
    4,109,912.20x = 23,699,702,665,565.24
  5. Step 5: Solve for x
    x = 23,699,702,665,565.24/4,109,912.20
  6. Step 6: Final answer
    x = 5,766,474.20

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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.