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Finding the Fourth Proportional to 4,937.30, 7,391.55 and 4,793.30

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Solution

The fourth proportional to 4,937.30, 7,391.55 and 4,793.30 is: 7,175.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,937.30 : 7,391.55 = 4,793.30 : x
  2. Step 2: Convert to fraction form
    4,937.30/7,391.55 = 4,793.30/x
  3. Step 3: Cross multiply
    4,937.30x = 7,391.55 × 4,793.30
  4. Step 4: Simplify right side
    4,937.30x = 35,429,916.62
  5. Step 5: Solve for x
    x = 35,429,916.62/4,937.30
  6. Step 6: Final answer
    x = 7,175.97

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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.