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Finding the Fourth Proportional to 26,076, 39,120.48 and 7,608

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Solution

The fourth proportional to 26,076, 39,120.48 and 7,608 is: 11,413.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,076 : 39,120.48 = 7,608 : x
  2. Step 2: Convert to fraction form
    26,076/39,120.48 = 7,608/x
  3. Step 3: Cross multiply
    26,076x = 39,120.48 × 7,608
  4. Step 4: Simplify right side
    26,076x = 297,628,611.84
  5. Step 5: Solve for x
    x = 297,628,611.84/26,076
  6. Step 6: Final answer
    x = 11,413.89

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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.