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Finding the Fourth Proportional to 26,990.25, 37,261.79 and 17,931.14

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Solution

The fourth proportional to 26,990.25, 37,261.79 and 17,931.14 is: 24,755.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,990.25 : 37,261.79 = 17,931.14 : x
  2. Step 2: Convert to fraction form
    26,990.25/37,261.79 = 17,931.14/x
  3. Step 3: Cross multiply
    26,990.25x = 37,261.79 × 17,931.14
  4. Step 4: Simplify right side
    26,990.25x = 668,146,304.15
  5. Step 5: Solve for x
    x = 668,146,304.15/26,990.25
  6. Step 6: Final answer
    x = 24,755.10

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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.