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Finding the Fourth Proportional to 3,508.50, 4,841.50 and 1,936.58

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Solution

The fourth proportional to 3,508.50, 4,841.50 and 1,936.58 is: 2,672.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,508.50 : 4,841.50 = 1,936.58 : x
  2. Step 2: Convert to fraction form
    3,508.50/4,841.50 = 1,936.58/x
  3. Step 3: Cross multiply
    3,508.50x = 4,841.50 × 1,936.58
  4. Step 4: Simplify right side
    3,508.50x = 9,375,952.07
  5. Step 5: Solve for x
    x = 9,375,952.07/3,508.50
  6. Step 6: Final answer
    x = 2,672.35

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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.