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Finding the Fourth Proportional to 4,874.24, 7,310.10 and 1,410.68

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Solution

The fourth proportional to 4,874.24, 7,310.10 and 1,410.68 is: 2,115.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,874.24 : 7,310.10 = 1,410.68 : x
  2. Step 2: Convert to fraction form
    4,874.24/7,310.10 = 1,410.68/x
  3. Step 3: Cross multiply
    4,874.24x = 7,310.10 × 1,410.68
  4. Step 4: Simplify right side
    4,874.24x = 10,312,211.87
  5. Step 5: Solve for x
    x = 10,312,211.87/4,874.24
  6. Step 6: Final answer
    x = 2,115.66

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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.