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Finding the Fourth Proportional to 4,664.54, 6,990.02 and 2,993.42

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Solution

The fourth proportional to 4,664.54, 6,990.02 and 2,993.42 is: 4,485.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,664.54 : 6,990.02 = 2,993.42 : x
  2. Step 2: Convert to fraction form
    4,664.54/6,990.02 = 2,993.42/x
  3. Step 3: Cross multiply
    4,664.54x = 6,990.02 × 2,993.42
  4. Step 4: Simplify right side
    4,664.54x = 20,924,058.33
  5. Step 5: Solve for x
    x = 20,924,058.33/4,664.54
  6. Step 6: Final answer
    x = 4,485.77

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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.