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Finding the Fourth Proportional to 7,600.82, 11,393.43 and 2,919.57

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Solution

The fourth proportional to 7,600.82, 11,393.43 and 2,919.57 is: 4,376.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,600.82 : 11,393.43 = 2,919.57 : x
  2. Step 2: Convert to fraction form
    7,600.82/11,393.43 = 2,919.57/x
  3. Step 3: Cross multiply
    7,600.82x = 11,393.43 × 2,919.57
  4. Step 4: Simplify right side
    7,600.82x = 33,263,916.43
  5. Step 5: Solve for x
    x = 33,263,916.43/7,600.82
  6. Step 6: Final answer
    x = 4,376.36

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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.