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Finding the Fourth Proportional to 4,920.96, 7,366.56 and 4,522.56

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Solution

The fourth proportional to 4,920.96, 7,366.56 and 4,522.56 is: 6,770.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920.96 : 7,366.56 = 4,522.56 : x
  2. Step 2: Convert to fraction form
    4,920.96/7,366.56 = 4,522.56/x
  3. Step 3: Cross multiply
    4,920.96x = 7,366.56 × 4,522.56
  4. Step 4: Simplify right side
    4,920.96x = 33,315,709.59
  5. Step 5: Solve for x
    x = 33,315,709.59/4,920.96
  6. Step 6: Final answer
    x = 6,770.16

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.