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Finding the Fourth Proportional to 18,102.84, 26,976.48 and 17,508.24

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Solution

The fourth proportional to 18,102.84, 26,976.48 and 17,508.24 is: 26,090.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,102.84 : 26,976.48 = 17,508.24 : x
  2. Step 2: Convert to fraction form
    18,102.84/26,976.48 = 17,508.24/x
  3. Step 3: Cross multiply
    18,102.84x = 26,976.48 × 17,508.24
  4. Step 4: Simplify right side
    18,102.84x = 472,310,686.20
  5. Step 5: Solve for x
    x = 472,310,686.20/18,102.84
  6. Step 6: Final answer
    x = 26,090.42

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.