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Finding the Fourth Proportional to 2,677.86, 3,696.48 and 2,603.88

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Solution

The fourth proportional to 2,677.86, 3,696.48 and 2,603.88 is: 3,594.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,677.86 : 3,696.48 = 2,603.88 : x
  2. Step 2: Convert to fraction form
    2,677.86/3,696.48 = 2,603.88/x
  3. Step 3: Cross multiply
    2,677.86x = 3,696.48 × 2,603.88
  4. Step 4: Simplify right side
    2,677.86x = 9,625,190.34
  5. Step 5: Solve for x
    x = 9,625,190.34/2,677.86
  6. Step 6: Final answer
    x = 3,594.36

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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.