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Finding the Fourth Proportional to 16,730.57, 25,105.57 and 7,496.57

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Solution

The fourth proportional to 16,730.57, 25,105.57 and 7,496.57 is: 11,249.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,730.57 : 25,105.57 = 7,496.57 : x
  2. Step 2: Convert to fraction form
    16,730.57/25,105.57 = 7,496.57/x
  3. Step 3: Cross multiply
    16,730.57x = 25,105.57 × 7,496.57
  4. Step 4: Simplify right side
    16,730.57x = 188,205,499.88
  5. Step 5: Solve for x
    x = 188,205,499.88/16,730.57
  6. Step 6: Final answer
    x = 11,249.20

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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.