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Finding the Fourth Proportional to 6,497.93, 9,748.43 and 2,115.38

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Solution

The fourth proportional to 6,497.93, 9,748.43 and 2,115.38 is: 3,173.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,497.93 : 9,748.43 = 2,115.38 : x
  2. Step 2: Convert to fraction form
    6,497.93/9,748.43 = 2,115.38/x
  3. Step 3: Cross multiply
    6,497.93x = 9,748.43 × 2,115.38
  4. Step 4: Simplify right side
    6,497.93x = 20,621,633.85
  5. Step 5: Solve for x
    x = 20,621,633.85/6,497.93
  6. Step 6: Final answer
    x = 3,173.57

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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.