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Finding the Fourth Proportional to 27,177.66, 37,498.04 and 15,689.76

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Solution

The fourth proportional to 27,177.66, 37,498.04 and 15,689.76 is: 21,647.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,177.66 : 37,498.04 = 15,689.76 : x
  2. Step 2: Convert to fraction form
    27,177.66/37,498.04 = 15,689.76/x
  3. Step 3: Cross multiply
    27,177.66x = 37,498.04 × 15,689.76
  4. Step 4: Simplify right side
    27,177.66x = 588,335,287.29
  5. Step 5: Solve for x
    x = 588,335,287.29/27,177.66
  6. Step 6: Final answer
    x = 21,647.75

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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.