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Finding the Fourth Proportional to 2,603.63, 3,591.14 and 1,658.43

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Solution

The fourth proportional to 2,603.63, 3,591.14 and 1,658.43 is: 2,287.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,603.63 : 3,591.14 = 1,658.43 : x
  2. Step 2: Convert to fraction form
    2,603.63/3,591.14 = 1,658.43/x
  3. Step 3: Cross multiply
    2,603.63x = 3,591.14 × 1,658.43
  4. Step 4: Simplify right side
    2,603.63x = 5,955,646.02
  5. Step 5: Solve for x
    x = 5,955,646.02/2,603.63
  6. Step 6: Final answer
    x = 2,287.44

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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.