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Finding the Fourth Proportional to 3,795.88, 5,698.62 and 2,647.72

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Solution

The fourth proportional to 3,795.88, 5,698.62 and 2,647.72 is: 3,974.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,795.88 : 5,698.62 = 2,647.72 : x
  2. Step 2: Convert to fraction form
    3,795.88/5,698.62 = 2,647.72/x
  3. Step 3: Cross multiply
    3,795.88x = 5,698.62 × 2,647.72
  4. Step 4: Simplify right side
    3,795.88x = 15,088,350.15
  5. Step 5: Solve for x
    x = 15,088,350.15/3,795.88
  6. Step 6: Final answer
    x = 3,974.93

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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.