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Finding the Fourth Proportional to 30,874.53, 42,606.27 and 17,262.52

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Solution

The fourth proportional to 30,874.53, 42,606.27 and 17,262.52 is: 23,821.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,874.53 : 42,606.27 = 17,262.52 : x
  2. Step 2: Convert to fraction form
    30,874.53/42,606.27 = 17,262.52/x
  3. Step 3: Cross multiply
    30,874.53x = 42,606.27 × 17,262.52
  4. Step 4: Simplify right side
    30,874.53x = 735,491,481.48
  5. Step 5: Solve for x
    x = 735,491,481.48/30,874.53
  6. Step 6: Final answer
    x = 23,821.95

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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.