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Finding the Fourth Proportional to 4,960.88, 6,845.56 and 2,722.28

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Solution

The fourth proportional to 4,960.88, 6,845.56 and 2,722.28 is: 3,756.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,960.88 : 6,845.56 = 2,722.28 : x
  2. Step 2: Convert to fraction form
    4,960.88/6,845.56 = 2,722.28/x
  3. Step 3: Cross multiply
    4,960.88x = 6,845.56 × 2,722.28
  4. Step 4: Simplify right side
    4,960.88x = 18,635,531.08
  5. Step 5: Solve for x
    x = 18,635,531.08/4,960.88
  6. Step 6: Final answer
    x = 3,756.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.