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Finding the Fourth Proportional to 3,508.21, 4,841.63 and 1,936.63

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Solution

The fourth proportional to 3,508.21, 4,841.63 and 1,936.63 is: 2,672.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,508.21 : 4,841.63 = 1,936.63 : x
  2. Step 2: Convert to fraction form
    3,508.21/4,841.63 = 1,936.63/x
  3. Step 3: Cross multiply
    3,508.21x = 4,841.63 × 1,936.63
  4. Step 4: Simplify right side
    3,508.21x = 9,376,436.22
  5. Step 5: Solve for x
    x = 9,376,436.22/3,508.21
  6. Step 6: Final answer
    x = 2,672.71

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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.