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Finding the Fourth Proportional to 6,411.90, 9,616.64 and 2,250.93

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Solution

The fourth proportional to 6,411.90, 9,616.64 and 2,250.93 is: 3,375.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,411.90 : 9,616.64 = 2,250.93 : x
  2. Step 2: Convert to fraction form
    6,411.90/9,616.64 = 2,250.93/x
  3. Step 3: Cross multiply
    6,411.90x = 9,616.64 × 2,250.93
  4. Step 4: Simplify right side
    6,411.90x = 21,646,372.22
  5. Step 5: Solve for x
    x = 21,646,372.22/6,411.90
  6. Step 6: Final answer
    x = 3,375.97

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.