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Finding the Fourth Proportional to 11,760.58, 17,644.92 and 5,912.38

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Solution

The fourth proportional to 11,760.58, 17,644.92 and 5,912.38 is: 8,870.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,760.58 : 17,644.92 = 5,912.38 : x
  2. Step 2: Convert to fraction form
    11,760.58/17,644.92 = 5,912.38/x
  3. Step 3: Cross multiply
    11,760.58x = 17,644.92 × 5,912.38
  4. Step 4: Simplify right side
    11,760.58x = 104,323,472.11
  5. Step 5: Solve for x
    x = 104,323,472.11/11,760.58
  6. Step 6: Final answer
    x = 8,870.61

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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.