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Finding the Fourth Proportional to 4,815.79, 7,213.79 and 2,348.53

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Solution

The fourth proportional to 4,815.79, 7,213.79 and 2,348.53 is: 3,517.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,815.79 : 7,213.79 = 2,348.53 : x
  2. Step 2: Convert to fraction form
    4,815.79/7,213.79 = 2,348.53/x
  3. Step 3: Cross multiply
    4,815.79x = 7,213.79 × 2,348.53
  4. Step 4: Simplify right side
    4,815.79x = 16,941,790.07
  5. Step 5: Solve for x
    x = 16,941,790.07/4,815.79
  6. Step 6: Final answer
    x = 3,517.97

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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.