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Finding the Fourth Proportional to 5,392.56, 7,441.91 and 3,154.67

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Solution

The fourth proportional to 5,392.56, 7,441.91 and 3,154.67 is: 4,353.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,392.56 : 7,441.91 = 3,154.67 : x
  2. Step 2: Convert to fraction form
    5,392.56/7,441.91 = 3,154.67/x
  3. Step 3: Cross multiply
    5,392.56x = 7,441.91 × 3,154.67
  4. Step 4: Simplify right side
    5,392.56x = 23,476,770.22
  5. Step 5: Solve for x
    x = 23,476,770.22/5,392.56
  6. Step 6: Final answer
    x = 4,353.55

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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.