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Finding the Fourth Proportional to 11,497.92, 17,146.26 and 11,392.82

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Solution

The fourth proportional to 11,497.92, 17,146.26 and 11,392.82 is: 16,989.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,497.92 : 17,146.26 = 11,392.82 : x
  2. Step 2: Convert to fraction form
    11,497.92/17,146.26 = 11,392.82/x
  3. Step 3: Cross multiply
    11,497.92x = 17,146.26 × 11,392.82
  4. Step 4: Simplify right side
    11,497.92x = 195,344,253.85
  5. Step 5: Solve for x
    x = 195,344,253.85/11,497.92
  6. Step 6: Final answer
    x = 16,989.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.