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Finding the Fourth Proportional to 33,517, 46,254.90 and 18,613

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Solution

The fourth proportional to 33,517, 46,254.90 and 18,613 is: 25,686.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,517 : 46,254.90 = 18,613 : x
  2. Step 2: Convert to fraction form
    33,517/46,254.90 = 18,613/x
  3. Step 3: Cross multiply
    33,517x = 46,254.90 × 18,613
  4. Step 4: Simplify right side
    33,517x = 860,942,453.70
  5. Step 5: Solve for x
    x = 860,942,453.70/33,517
  6. Step 6: Final answer
    x = 25,686.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.