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Finding the Fourth Proportional to 17,546.70, 26,324.64 and 7,687.92

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Solution

The fourth proportional to 17,546.70, 26,324.64 and 7,687.92 is: 11,533.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,546.70 : 26,324.64 = 7,687.92 : x
  2. Step 2: Convert to fraction form
    17,546.70/26,324.64 = 7,687.92/x
  3. Step 3: Cross multiply
    17,546.70x = 26,324.64 × 7,687.92
  4. Step 4: Simplify right side
    17,546.70x = 202,381,726.35
  5. Step 5: Solve for x
    x = 202,381,726.35/17,546.70
  6. Step 6: Final answer
    x = 11,533.89

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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.