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Finding the Fourth Proportional to 3,892.71, 5,838.90 and 1,552.62

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Solution

The fourth proportional to 3,892.71, 5,838.90 and 1,552.62 is: 2,328.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,892.71 : 5,838.90 = 1,552.62 : x
  2. Step 2: Convert to fraction form
    3,892.71/5,838.90 = 1,552.62/x
  3. Step 3: Cross multiply
    3,892.71x = 5,838.90 × 1,552.62
  4. Step 4: Simplify right side
    3,892.71x = 9,065,592.92
  5. Step 5: Solve for x
    x = 9,065,592.92/3,892.71
  6. Step 6: Final answer
    x = 2,328.86

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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.