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Finding the Fourth Proportional to 26,396.93, 39,608.22 and 11,603.93

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Solution

The fourth proportional to 26,396.93, 39,608.22 and 11,603.93 is: 17,411.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,396.93 : 39,608.22 = 11,603.93 : x
  2. Step 2: Convert to fraction form
    26,396.93/39,608.22 = 11,603.93/x
  3. Step 3: Cross multiply
    26,396.93x = 39,608.22 × 11,603.93
  4. Step 4: Simplify right side
    26,396.93x = 459,611,111.33
  5. Step 5: Solve for x
    x = 459,611,111.33/26,396.93
  6. Step 6: Final answer
    x = 17,411.53

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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.