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Finding the Fourth Proportional to 11,253.92, 16,863 and 7,542.44

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Solution

The fourth proportional to 11,253.92, 16,863 and 7,542.44 is: 11,301.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,253.92 : 16,863 = 7,542.44 : x
  2. Step 2: Convert to fraction form
    11,253.92/16,863 = 7,542.44/x
  3. Step 3: Cross multiply
    11,253.92x = 16,863 × 7,542.44
  4. Step 4: Simplify right side
    11,253.92x = 127,188,165.72
  5. Step 5: Solve for x
    x = 127,188,165.72/11,253.92
  6. Step 6: Final answer
    x = 11,301.68

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1.5x scale

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.