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Finding the Fourth Proportional to 3,357.48, 5,035.83 and 892.47

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Solution

The fourth proportional to 3,357.48, 5,035.83 and 892.47 is: 1,338.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,357.48 : 5,035.83 = 892.47 : x
  2. Step 2: Convert to fraction form
    3,357.48/5,035.83 = 892.47/x
  3. Step 3: Cross multiply
    3,357.48x = 5,035.83 × 892.47
  4. Step 4: Simplify right side
    3,357.48x = 4,494,327.20
  5. Step 5: Solve for x
    x = 4,494,327.20/3,357.48
  6. Step 6: Final answer
    x = 1,338.60

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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.