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Finding the Fourth Proportional to 9,339, 14,008.62 and 3,183

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Solution

The fourth proportional to 9,339, 14,008.62 and 3,183 is: 4,774.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,339 : 14,008.62 = 3,183 : x
  2. Step 2: Convert to fraction form
    9,339/14,008.62 = 3,183/x
  3. Step 3: Cross multiply
    9,339x = 14,008.62 × 3,183
  4. Step 4: Simplify right side
    9,339x = 44,589,437.46
  5. Step 5: Solve for x
    x = 44,589,437.46/9,339
  6. Step 6: Final answer
    x = 4,774.54

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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.