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Finding the Fourth Proportional to 27,022.41, 37,290.95 and 15,086.15

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Solution

The fourth proportional to 27,022.41, 37,290.95 and 15,086.15 is: 20,818.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,022.41 : 37,290.95 = 15,086.15 : x
  2. Step 2: Convert to fraction form
    27,022.41/37,290.95 = 15,086.15/x
  3. Step 3: Cross multiply
    27,022.41x = 37,290.95 × 15,086.15
  4. Step 4: Simplify right side
    27,022.41x = 562,576,799.87
  5. Step 5: Solve for x
    x = 562,576,799.87/27,022.41
  6. Step 6: Final answer
    x = 20,818.90

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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.