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Finding the Fourth Proportional to 9,067.84, 13,603.12 and 2,828.48

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Solution

The fourth proportional to 9,067.84, 13,603.12 and 2,828.48 is: 4,243.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,067.84 : 13,603.12 = 2,828.48 : x
  2. Step 2: Convert to fraction form
    9,067.84/13,603.12 = 2,828.48/x
  3. Step 3: Cross multiply
    9,067.84x = 13,603.12 × 2,828.48
  4. Step 4: Simplify right side
    9,067.84x = 38,476,152.86
  5. Step 5: Solve for x
    x = 38,476,152.86/9,067.84
  6. Step 6: Final answer
    x = 4,243.14

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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.