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Finding the Fourth Proportional to 19,034.76, 26,272.44 and 11,078.28

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Solution

The fourth proportional to 19,034.76, 26,272.44 and 11,078.28 is: 15,290.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,034.76 : 26,272.44 = 11,078.28 : x
  2. Step 2: Convert to fraction form
    19,034.76/26,272.44 = 11,078.28/x
  3. Step 3: Cross multiply
    19,034.76x = 26,272.44 × 11,078.28
  4. Step 4: Simplify right side
    19,034.76x = 291,053,446.60
  5. Step 5: Solve for x
    x = 291,053,446.60/19,034.76
  6. Step 6: Final answer
    x = 15,290.63

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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.