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Finding the Fourth Proportional to 27,188.80, 37,520.60 and 15,252.12

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Solution

The fourth proportional to 27,188.80, 37,520.60 and 15,252.12 is: 21,047.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,188.80 : 37,520.60 = 15,252.12 : x
  2. Step 2: Convert to fraction form
    27,188.80/37,520.60 = 15,252.12/x
  3. Step 3: Cross multiply
    27,188.80x = 37,520.60 × 15,252.12
  4. Step 4: Simplify right side
    27,188.80x = 572,268,617.41
  5. Step 5: Solve for x
    x = 572,268,617.41/27,188.80
  6. Step 6: Final answer
    x = 21,047.96

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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.