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Finding the Fourth Proportional to 3,336.91, 5,006.27 and 997.02

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Solution

The fourth proportional to 3,336.91, 5,006.27 and 997.02 is: 1,495.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,336.91 : 5,006.27 = 997.02 : x
  2. Step 2: Convert to fraction form
    3,336.91/5,006.27 = 997.02/x
  3. Step 3: Cross multiply
    3,336.91x = 5,006.27 × 997.02
  4. Step 4: Simplify right side
    3,336.91x = 4,991,353.81
  5. Step 5: Solve for x
    x = 4,991,353.81/3,336.91
  6. Step 6: Final answer
    x = 1,495.80

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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.