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Finding the Fourth Proportional to 3,677.95, 5,514.36 and 2,947.33

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Solution

The fourth proportional to 3,677.95, 5,514.36 and 2,947.33 is: 4,418.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,677.95 : 5,514.36 = 2,947.33 : x
  2. Step 2: Convert to fraction form
    3,677.95/5,514.36 = 2,947.33/x
  3. Step 3: Cross multiply
    3,677.95x = 5,514.36 × 2,947.33
  4. Step 4: Simplify right side
    3,677.95x = 16,252,638.66
  5. Step 5: Solve for x
    x = 16,252,638.66/3,677.95
  6. Step 6: Final answer
    x = 4,418.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.