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Finding the Fourth Proportional to 17,761.08, 26,653.50 and 7,372.83

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Solution

The fourth proportional to 17,761.08, 26,653.50 and 7,372.83 is: 11,064.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,761.08 : 26,653.50 = 7,372.83 : x
  2. Step 2: Convert to fraction form
    17,761.08/26,653.50 = 7,372.83/x
  3. Step 3: Cross multiply
    17,761.08x = 26,653.50 × 7,372.83
  4. Step 4: Simplify right side
    17,761.08x = 196,511,724.41
  5. Step 5: Solve for x
    x = 196,511,724.41/17,761.08
  6. Step 6: Final answer
    x = 11,064.18

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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.