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Finding the Fourth Proportional to 2,937.62, 4,409.31 and 2,923.94

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Solution

The fourth proportional to 2,937.62, 4,409.31 and 2,923.94 is: 4,388.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,937.62 : 4,409.31 = 2,923.94 : x
  2. Step 2: Convert to fraction form
    2,937.62/4,409.31 = 2,923.94/x
  3. Step 3: Cross multiply
    2,937.62x = 4,409.31 × 2,923.94
  4. Step 4: Simplify right side
    2,937.62x = 12,892,557.88
  5. Step 5: Solve for x
    x = 12,892,557.88/2,937.62
  6. Step 6: Final answer
    x = 4,388.78

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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.