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Finding the Fourth Proportional to 6,174.72, 9,264 and 4,632.96

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Solution

The fourth proportional to 6,174.72, 9,264 and 4,632.96 is: 6,950.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,174.72 : 9,264 = 4,632.96 : x
  2. Step 2: Convert to fraction form
    6,174.72/9,264 = 4,632.96/x
  3. Step 3: Cross multiply
    6,174.72x = 9,264 × 4,632.96
  4. Step 4: Simplify right side
    6,174.72x = 42,919,741.44
  5. Step 5: Solve for x
    x = 42,919,741.44/6,174.72
  6. Step 6: Final answer
    x = 6,950.88

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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.