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Finding the Fourth Proportional to 2,603.63, 3,593.18 and 1,717.89

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Solution

The fourth proportional to 2,603.63, 3,593.18 and 1,717.89 is: 2,370.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,603.63 : 3,593.18 = 1,717.89 : x
  2. Step 2: Convert to fraction form
    2,603.63/3,593.18 = 1,717.89/x
  3. Step 3: Cross multiply
    2,603.63x = 3,593.18 × 1,717.89
  4. Step 4: Simplify right side
    2,603.63x = 6,172,692.28
  5. Step 5: Solve for x
    x = 6,172,692.28/2,603.63
  6. Step 6: Final answer
    x = 2,370.81

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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.