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Finding the Fourth Proportional to 7,473, 11,181.29 and 4,459.87

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Solution

The fourth proportional to 7,473, 11,181.29 and 4,459.87 is: 6,672.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,473 : 11,181.29 = 4,459.87 : x
  2. Step 2: Convert to fraction form
    7,473/11,181.29 = 4,459.87/x
  3. Step 3: Cross multiply
    7,473x = 11,181.29 × 4,459.87
  4. Step 4: Simplify right side
    7,473x = 49,867,049.58
  5. Step 5: Solve for x
    x = 49,867,049.58/7,473
  6. Step 6: Final answer
    x = 6,672.96

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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.