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Finding the Fourth Proportional to 16,894.13, 25,340.99 and 5,808.47

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Solution

The fourth proportional to 16,894.13, 25,340.99 and 5,808.47 is: 8,712.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,894.13 : 25,340.99 = 5,808.47 : x
  2. Step 2: Convert to fraction form
    16,894.13/25,340.99 = 5,808.47/x
  3. Step 3: Cross multiply
    16,894.13x = 25,340.99 × 5,808.47
  4. Step 4: Simplify right side
    16,894.13x = 147,192,224.44
  5. Step 5: Solve for x
    x = 147,192,224.44/16,894.13
  6. Step 6: Final answer
    x = 8,712.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.