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Finding the Fourth Proportional to 5,573,821.91, 8,360,745.92 and 1,530,365.09

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Solution

The fourth proportional to 5,573,821.91, 8,360,745.92 and 1,530,365.09 is: 2,295,551.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,573,821.91 : 8,360,745.92 = 1,530,365.09 : x
  2. Step 2: Convert to fraction form
    5,573,821.91/8,360,745.92 = 1,530,365.09/x
  3. Step 3: Cross multiply
    5,573,821.91x = 8,360,745.92 × 1,530,365.09
  4. Step 4: Simplify right side
    5,573,821.91x = 12,794,993,632,872.38
  5. Step 5: Solve for x
    x = 12,794,993,632,872.38/5,573,821.91
  6. Step 6: Final answer
    x = 2,295,551.21

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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.