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Finding the Fourth Proportional to 17,745.92, 26,724.80 and 15,464.96

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Solution

The fourth proportional to 17,745.92, 26,724.80 and 15,464.96 is: 23,289.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,745.92 : 26,724.80 = 15,464.96 : x
  2. Step 2: Convert to fraction form
    17,745.92/26,724.80 = 15,464.96/x
  3. Step 3: Cross multiply
    17,745.92x = 26,724.80 × 15,464.96
  4. Step 4: Simplify right side
    17,745.92x = 413,297,963.01
  5. Step 5: Solve for x
    x = 413,297,963.01/17,745.92
  6. Step 6: Final answer
    x = 23,289.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.