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Finding the Fourth Proportional to 6,603.93, 9,908.17 and 4,135.82

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Solution

The fourth proportional to 6,603.93, 9,908.17 and 4,135.82 is: 6,205.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,603.93 : 9,908.17 = 4,135.82 : x
  2. Step 2: Convert to fraction form
    6,603.93/9,908.17 = 4,135.82/x
  3. Step 3: Cross multiply
    6,603.93x = 9,908.17 × 4,135.82
  4. Step 4: Simplify right side
    6,603.93x = 40,978,347.77
  5. Step 5: Solve for x
    x = 40,978,347.77/6,603.93
  6. Step 6: Final answer
    x = 6,205.15

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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.