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Finding the Fourth Proportional to 3,608.88, 4,980.24 and 1,952.88

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Solution

The fourth proportional to 3,608.88, 4,980.24 and 1,952.88 is: 2,694.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608.88 : 4,980.24 = 1,952.88 : x
  2. Step 2: Convert to fraction form
    3,608.88/4,980.24 = 1,952.88/x
  3. Step 3: Cross multiply
    3,608.88x = 4,980.24 × 1,952.88
  4. Step 4: Simplify right side
    3,608.88x = 9,725,811.09
  5. Step 5: Solve for x
    x = 9,725,811.09/3,608.88
  6. Step 6: Final answer
    x = 2,694.97

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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.