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Finding the Fourth Proportional to 27,073.13, 37,361.37 and 15,135.17

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Solution

The fourth proportional to 27,073.13, 37,361.37 and 15,135.17 is: 20,886.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,073.13 : 37,361.37 = 15,135.17 : x
  2. Step 2: Convert to fraction form
    27,073.13/37,361.37 = 15,135.17/x
  3. Step 3: Cross multiply
    27,073.13x = 37,361.37 × 15,135.17
  4. Step 4: Simplify right side
    27,073.13x = 565,470,499.58
  5. Step 5: Solve for x
    x = 565,470,499.58/27,073.13
  6. Step 6: Final answer
    x = 20,886.78

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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.