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Finding the Fourth Proportional to 13,961.48, 19,262.49 and 7,992.03

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Solution

The fourth proportional to 13,961.48, 19,262.49 and 7,992.03 is: 11,026.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,961.48 : 19,262.49 = 7,992.03 : x
  2. Step 2: Convert to fraction form
    13,961.48/19,262.49 = 7,992.03/x
  3. Step 3: Cross multiply
    13,961.48x = 19,262.49 × 7,992.03
  4. Step 4: Simplify right side
    13,961.48x = 153,946,397.95
  5. Step 5: Solve for x
    x = 153,946,397.95/13,961.48
  6. Step 6: Final answer
    x = 11,026.51

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.