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Finding the Fourth Proportional to 5,583.98, 8,377.06 and 2,989.82

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Solution

The fourth proportional to 5,583.98, 8,377.06 and 2,989.82 is: 4,485.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,583.98 : 8,377.06 = 2,989.82 : x
  2. Step 2: Convert to fraction form
    5,583.98/8,377.06 = 2,989.82/x
  3. Step 3: Cross multiply
    5,583.98x = 8,377.06 × 2,989.82
  4. Step 4: Simplify right side
    5,583.98x = 25,045,915.00
  5. Step 5: Solve for x
    x = 25,045,915.00/5,583.98
  6. Step 6: Final answer
    x = 4,485.31

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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.