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Finding the Fourth Proportional to 4,972.43, 7,456.26 and 2,892.99

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Solution

The fourth proportional to 4,972.43, 7,456.26 and 2,892.99 is: 4,338.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,972.43 : 7,456.26 = 2,892.99 : x
  2. Step 2: Convert to fraction form
    4,972.43/7,456.26 = 2,892.99/x
  3. Step 3: Cross multiply
    4,972.43x = 7,456.26 × 2,892.99
  4. Step 4: Simplify right side
    4,972.43x = 21,570,885.62
  5. Step 5: Solve for x
    x = 21,570,885.62/4,972.43
  6. Step 6: Final answer
    x = 4,338.10

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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.