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Finding the Fourth Proportional to 27,249.61, 37,602.33 and 15,310.72

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Solution

The fourth proportional to 27,249.61, 37,602.33 and 15,310.72 is: 21,127.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,249.61 : 37,602.33 = 15,310.72 : x
  2. Step 2: Convert to fraction form
    27,249.61/37,602.33 = 15,310.72/x
  3. Step 3: Cross multiply
    27,249.61x = 37,602.33 × 15,310.72
  4. Step 4: Simplify right side
    27,249.61x = 575,718,745.98
  5. Step 5: Solve for x
    x = 575,718,745.98/27,249.61
  6. Step 6: Final answer
    x = 21,127.60

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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.