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Finding the Fourth Proportional to 6,791.74, 10,188.15 and 2,896.18

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Solution

The fourth proportional to 6,791.74, 10,188.15 and 2,896.18 is: 4,344.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,791.74 : 10,188.15 = 2,896.18 : x
  2. Step 2: Convert to fraction form
    6,791.74/10,188.15 = 2,896.18/x
  3. Step 3: Cross multiply
    6,791.74x = 10,188.15 × 2,896.18
  4. Step 4: Simplify right side
    6,791.74x = 29,506,716.27
  5. Step 5: Solve for x
    x = 29,506,716.27/6,791.74
  6. Step 6: Final answer
    x = 4,344.50

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1.5x scale

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.