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Finding the Fourth Proportional to 27,381.88, 37,786.86 and 14,806.60

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Solution

The fourth proportional to 27,381.88, 37,786.86 and 14,806.60 is: 20,433.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,381.88 : 37,786.86 = 14,806.60 : x
  2. Step 2: Convert to fraction form
    27,381.88/37,786.86 = 14,806.60/x
  3. Step 3: Cross multiply
    27,381.88x = 37,786.86 × 14,806.60
  4. Step 4: Simplify right side
    27,381.88x = 559,494,921.28
  5. Step 5: Solve for x
    x = 559,494,921.28/27,381.88
  6. Step 6: Final answer
    x = 20,433.04

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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.