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Finding the Fourth Proportional to 5,863.98, 8,089.98 and 3,621.96

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Solution

The fourth proportional to 5,863.98, 8,089.98 and 3,621.96 is: 4,996.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,863.98 : 8,089.98 = 3,621.96 : x
  2. Step 2: Convert to fraction form
    5,863.98/8,089.98 = 3,621.96/x
  3. Step 3: Cross multiply
    5,863.98x = 8,089.98 × 3,621.96
  4. Step 4: Simplify right side
    5,863.98x = 29,301,583.96
  5. Step 5: Solve for x
    x = 29,301,583.96/5,863.98
  6. Step 6: Final answer
    x = 4,996.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.