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Finding the Fourth Proportional to 6,558.56, 9,837.24 and 2,174.56

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Solution

The fourth proportional to 6,558.56, 9,837.24 and 2,174.56 is: 3,261.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,558.56 : 9,837.24 = 2,174.56 : x
  2. Step 2: Convert to fraction form
    6,558.56/9,837.24 = 2,174.56/x
  3. Step 3: Cross multiply
    6,558.56x = 9,837.24 × 2,174.56
  4. Step 4: Simplify right side
    6,558.56x = 21,391,668.61
  5. Step 5: Solve for x
    x = 21,391,668.61/6,558.56
  6. Step 6: Final answer
    x = 3,261.64

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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.