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Finding the Fourth Proportional to 16,993.92, 25,486.56 and 6,600

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Solution

The fourth proportional to 16,993.92, 25,486.56 and 6,600 is: 9,898.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,993.92 : 25,486.56 = 6,600 : x
  2. Step 2: Convert to fraction form
    16,993.92/25,486.56 = 6,600/x
  3. Step 3: Cross multiply
    16,993.92x = 25,486.56 × 6,600
  4. Step 4: Simplify right side
    16,993.92x = 168,211,296
  5. Step 5: Solve for x
    x = 168,211,296/16,993.92
  6. Step 6: Final answer
    x = 9,898.32

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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.