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Finding the Fourth Proportional to 11,603.14, 17,404.99 and 2,838.13

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Solution

The fourth proportional to 11,603.14, 17,404.99 and 2,838.13 is: 4,257.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,603.14 : 17,404.99 = 2,838.13 : x
  2. Step 2: Convert to fraction form
    11,603.14/17,404.99 = 2,838.13/x
  3. Step 3: Cross multiply
    11,603.14x = 17,404.99 × 2,838.13
  4. Step 4: Simplify right side
    11,603.14x = 49,397,573.66
  5. Step 5: Solve for x
    x = 49,397,573.66/11,603.14
  6. Step 6: Final answer
    x = 4,257.26

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1.5x scale

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.