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Finding the Fourth Proportional to 11,509.92, 17,233.20 and 5,951.52

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Solution

The fourth proportional to 11,509.92, 17,233.20 and 5,951.52 is: 8,910.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,509.92 : 17,233.20 = 5,951.52 : x
  2. Step 2: Convert to fraction form
    11,509.92/17,233.20 = 5,951.52/x
  3. Step 3: Cross multiply
    11,509.92x = 17,233.20 × 5,951.52
  4. Step 4: Simplify right side
    11,509.92x = 102,563,734.46
  5. Step 5: Solve for x
    x = 102,563,734.46/11,509.92
  6. Step 6: Final answer
    x = 8,910.90

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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.