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Finding the Fourth Proportional to 2,603.55, 3,593.19 and 1,659.38

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Solution

The fourth proportional to 2,603.55, 3,593.19 and 1,659.38 is: 2,290.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,603.55 : 3,593.19 = 1,659.38 : x
  2. Step 2: Convert to fraction form
    2,603.55/3,593.19 = 1,659.38/x
  3. Step 3: Cross multiply
    2,603.55x = 3,593.19 × 1,659.38
  4. Step 4: Simplify right side
    2,603.55x = 5,962,451.98
  5. Step 5: Solve for x
    x = 5,962,451.98/2,603.55
  6. Step 6: Final answer
    x = 2,290.13

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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.