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Finding the Fourth Proportional to 3,333.82, 5,001.54 and 993.73

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Solution

The fourth proportional to 3,333.82, 5,001.54 and 993.73 is: 1,490.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,333.82 : 5,001.54 = 993.73 : x
  2. Step 2: Convert to fraction form
    3,333.82/5,001.54 = 993.73/x
  3. Step 3: Cross multiply
    3,333.82x = 5,001.54 × 993.73
  4. Step 4: Simplify right side
    3,333.82x = 4,970,180.34
  5. Step 5: Solve for x
    x = 4,970,180.34/3,333.82
  6. Step 6: Final answer
    x = 1,490.84

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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.