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Finding the Fourth Proportional to 11,494.92, 17,141.79 and 11,389.82

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Solution

The fourth proportional to 11,494.92, 17,141.79 and 11,389.82 is: 16,985.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,494.92 : 17,141.79 = 11,389.82 : x
  2. Step 2: Convert to fraction form
    11,494.92/17,141.79 = 11,389.82/x
  3. Step 3: Cross multiply
    11,494.92x = 17,141.79 × 11,389.82
  4. Step 4: Simplify right side
    11,494.92x = 195,241,945.43
  5. Step 5: Solve for x
    x = 195,241,945.43/11,494.92
  6. Step 6: Final answer
    x = 16,985.06

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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.