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Finding the Fourth Proportional to 3,608.85, 4,980.22 and 1,952.85

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Solution

The fourth proportional to 3,608.85, 4,980.22 and 1,952.85 is: 2,694.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608.85 : 4,980.22 = 1,952.85 : x
  2. Step 2: Convert to fraction form
    3,608.85/4,980.22 = 1,952.85/x
  3. Step 3: Cross multiply
    3,608.85x = 4,980.22 × 1,952.85
  4. Step 4: Simplify right side
    3,608.85x = 9,725,597.73
  5. Step 5: Solve for x
    x = 9,725,597.73/3,608.85
  6. Step 6: Final answer
    x = 2,694.93

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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.