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Finding the Fourth Proportional to 3,357.92, 5,036.98 and 1,603.11

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Solution

The fourth proportional to 3,357.92, 5,036.98 and 1,603.11 is: 2,404.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,357.92 : 5,036.98 = 1,603.11 : x
  2. Step 2: Convert to fraction form
    3,357.92/5,036.98 = 1,603.11/x
  3. Step 3: Cross multiply
    3,357.92x = 5,036.98 × 1,603.11
  4. Step 4: Simplify right side
    3,357.92x = 8,074,833.01
  5. Step 5: Solve for x
    x = 8,074,833.01/3,357.92
  6. Step 6: Final answer
    x = 2,404.71

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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.