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Finding the Fourth Proportional to 3,337.44, 5,005.27 and 996.90

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Solution

The fourth proportional to 3,337.44, 5,005.27 and 996.90 is: 1,495.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,337.44 : 5,005.27 = 996.90 : x
  2. Step 2: Convert to fraction form
    3,337.44/5,005.27 = 996.90/x
  3. Step 3: Cross multiply
    3,337.44x = 5,005.27 × 996.90
  4. Step 4: Simplify right side
    3,337.44x = 4,989,753.66
  5. Step 5: Solve for x
    x = 4,989,753.66/3,337.44
  6. Step 6: Final answer
    x = 1,495.08

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1.5x scale

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.