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Finding the Fourth Proportional to 18,566.46, 27,861.84 and 17,064.72

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Solution

The fourth proportional to 18,566.46, 27,861.84 and 17,064.72 is: 25,608.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,566.46 : 27,861.84 = 17,064.72 : x
  2. Step 2: Convert to fraction form
    18,566.46/27,861.84 = 17,064.72/x
  3. Step 3: Cross multiply
    18,566.46x = 27,861.84 × 17,064.72
  4. Step 4: Simplify right side
    18,566.46x = 475,454,498.28
  5. Step 5: Solve for x
    x = 475,454,498.28/18,566.46
  6. Step 6: Final answer
    x = 25,608.25

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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.