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Finding the Fourth Proportional to 5,803.53, 8,702.60 and 2,105.61

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Solution

The fourth proportional to 5,803.53, 8,702.60 and 2,105.61 is: 3,157.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,803.53 : 8,702.60 = 2,105.61 : x
  2. Step 2: Convert to fraction form
    5,803.53/8,702.60 = 2,105.61/x
  3. Step 3: Cross multiply
    5,803.53x = 8,702.60 × 2,105.61
  4. Step 4: Simplify right side
    5,803.53x = 18,324,271.06
  5. Step 5: Solve for x
    x = 18,324,271.06/5,803.53
  6. Step 6: Final answer
    x = 3,157.44

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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.