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Finding the Fourth Proportional to 27,313.68, 37,687.50 and 15,377.52

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Solution

The fourth proportional to 27,313.68, 37,687.50 and 15,377.52 is: 21,217.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,313.68 : 37,687.50 = 15,377.52 : x
  2. Step 2: Convert to fraction form
    27,313.68/37,687.50 = 15,377.52/x
  3. Step 3: Cross multiply
    27,313.68x = 37,687.50 × 15,377.52
  4. Step 4: Simplify right side
    27,313.68x = 579,540,285
  5. Step 5: Solve for x
    x = 579,540,285/27,313.68
  6. Step 6: Final answer
    x = 21,217.95

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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.