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Finding the Fourth Proportional to 5,797,156.70, 8,695,735.05 and 3,669,643.10

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Solution

The fourth proportional to 5,797,156.70, 8,695,735.05 and 3,669,643.10 is: 5,504,464.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,797,156.70 : 8,695,735.05 = 3,669,643.10 : x
  2. Step 2: Convert to fraction form
    5,797,156.70/8,695,735.05 = 3,669,643.10/x
  3. Step 3: Cross multiply
    5,797,156.70x = 8,695,735.05 × 3,669,643.10
  4. Step 4: Simplify right side
    5,797,156.70x = 31,910,244,125,660.66
  5. Step 5: Solve for x
    x = 31,910,244,125,660.66/5,797,156.70
  6. Step 6: Final answer
    x = 5,504,464.65

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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.