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Finding the Fourth Proportional to 27,055.49, 37,335.87 and 15,118.92

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Solution

The fourth proportional to 27,055.49, 37,335.87 and 15,118.92 is: 20,863.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,055.49 : 37,335.87 = 15,118.92 : x
  2. Step 2: Convert to fraction form
    27,055.49/37,335.87 = 15,118.92/x
  3. Step 3: Cross multiply
    27,055.49x = 37,335.87 × 15,118.92
  4. Step 4: Simplify right side
    27,055.49x = 564,478,031.66
  5. Step 5: Solve for x
    x = 564,478,031.66/27,055.49
  6. Step 6: Final answer
    x = 20,863.72

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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.