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Finding the Fourth Proportional to 11,938.66, 17,898.66 and 7,546.92

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Solution

The fourth proportional to 11,938.66, 17,898.66 and 7,546.92 is: 11,314.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,938.66 : 17,898.66 = 7,546.92 : x
  2. Step 2: Convert to fraction form
    11,938.66/17,898.66 = 7,546.92/x
  3. Step 3: Cross multiply
    11,938.66x = 17,898.66 × 7,546.92
  4. Step 4: Simplify right side
    11,938.66x = 135,079,755.13
  5. Step 5: Solve for x
    x = 135,079,755.13/11,938.66
  6. Step 6: Final answer
    x = 11,314.48

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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.