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Finding the Fourth Proportional to 4,960.43, 6,845.60 and 2,970.60

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Solution

The fourth proportional to 4,960.43, 6,845.60 and 2,970.60 is: 4,099.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,960.43 : 6,845.60 = 2,970.60 : x
  2. Step 2: Convert to fraction form
    4,960.43/6,845.60 = 2,970.60/x
  3. Step 3: Cross multiply
    4,960.43x = 6,845.60 × 2,970.60
  4. Step 4: Simplify right side
    4,960.43x = 20,335,539.36
  5. Step 5: Solve for x
    x = 20,335,539.36/4,960.43
  6. Step 6: Final answer
    x = 4,099.56

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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.