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Finding the Fourth Proportional to 9,949.32, 13,730.34 and 5,472.84

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Solution

The fourth proportional to 9,949.32, 13,730.34 and 5,472.84 is: 7,552.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,949.32 : 13,730.34 = 5,472.84 : x
  2. Step 2: Convert to fraction form
    9,949.32/13,730.34 = 5,472.84/x
  3. Step 3: Cross multiply
    9,949.32x = 13,730.34 × 5,472.84
  4. Step 4: Simplify right side
    9,949.32x = 75,143,953.97
  5. Step 5: Solve for x
    x = 75,143,953.97/9,949.32
  6. Step 6: Final answer
    x = 7,552.67

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.