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Finding the Fourth Proportional to 4,815.28, 7,213.08 and 2,342.68

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Solution

The fourth proportional to 4,815.28, 7,213.08 and 2,342.68 is: 3,509.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,815.28 : 7,213.08 = 2,342.68 : x
  2. Step 2: Convert to fraction form
    4,815.28/7,213.08 = 2,342.68/x
  3. Step 3: Cross multiply
    4,815.28x = 7,213.08 × 2,342.68
  4. Step 4: Simplify right side
    4,815.28x = 16,897,938.25
  5. Step 5: Solve for x
    x = 16,897,938.25/4,815.28
  6. Step 6: Final answer
    x = 3,509.23

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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.