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Finding the Fourth Proportional to 18,060.16, 27,094 and 6,381.76

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Solution

The fourth proportional to 18,060.16, 27,094 and 6,381.76 is: 9,573.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,060.16 : 27,094 = 6,381.76 : x
  2. Step 2: Convert to fraction form
    18,060.16/27,094 = 6,381.76/x
  3. Step 3: Cross multiply
    18,060.16x = 27,094 × 6,381.76
  4. Step 4: Simplify right side
    18,060.16x = 172,907,405.44
  5. Step 5: Solve for x
    x = 172,907,405.44/18,060.16
  6. Step 6: Final answer
    x = 9,573.97

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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.