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Finding the Fourth Proportional to 3,592, 5,388.30 and 994.94

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Solution

The fourth proportional to 3,592, 5,388.30 and 994.94 is: 1,492.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,592 : 5,388.30 = 994.94 : x
  2. Step 2: Convert to fraction form
    3,592/5,388.30 = 994.94/x
  3. Step 3: Cross multiply
    3,592x = 5,388.30 × 994.94
  4. Step 4: Simplify right side
    3,592x = 5,361,035.20
  5. Step 5: Solve for x
    x = 5,361,035.20/3,592
  6. Step 6: Final answer
    x = 1,492.49

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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.