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Finding the Fourth Proportional to 3,277.70, 4,528.98 and 2,619.98

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Solution

The fourth proportional to 3,277.70, 4,528.98 and 2,619.98 is: 3,620.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,277.70 : 4,528.98 = 2,619.98 : x
  2. Step 2: Convert to fraction form
    3,277.70/4,528.98 = 2,619.98/x
  3. Step 3: Cross multiply
    3,277.70x = 4,528.98 × 2,619.98
  4. Step 4: Simplify right side
    3,277.70x = 11,865,837.02
  5. Step 5: Solve for x
    x = 11,865,837.02/3,277.70
  6. Step 6: Final answer
    x = 3,620.17

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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.