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Finding the Fourth Proportional to 27,651.69, 38,159.73 and 15,076.44

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Solution

The fourth proportional to 27,651.69, 38,159.73 and 15,076.44 is: 20,805.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,651.69 : 38,159.73 = 15,076.44 : x
  2. Step 2: Convert to fraction form
    27,651.69/38,159.73 = 15,076.44/x
  3. Step 3: Cross multiply
    27,651.69x = 38,159.73 × 15,076.44
  4. Step 4: Simplify right side
    27,651.69x = 575,312,879.76
  5. Step 5: Solve for x
    x = 575,312,879.76/27,651.69
  6. Step 6: Final answer
    x = 20,805.70

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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.