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Finding the Fourth Proportional to 5,863,391.01, 8,789,883.40 and 2,217,570.82

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Solution

The fourth proportional to 5,863,391.01, 8,789,883.40 and 2,217,570.82 is: 3,324,388.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,863,391.01 : 8,789,883.40 = 2,217,570.82 : x
  2. Step 2: Convert to fraction form
    5,863,391.01/8,789,883.40 = 2,217,570.82/x
  3. Step 3: Cross multiply
    5,863,391.01x = 8,789,883.40 × 2,217,570.82
  4. Step 4: Simplify right side
    5,863,391.01x = 19,492,188,939,042.39
  5. Step 5: Solve for x
    x = 19,492,188,939,042.39/5,863,391.01
  6. Step 6: Final answer
    x = 3,324,388.38

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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.