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Finding the Fourth Proportional to 8,583.62, 12,871.46 and 3,903.44

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Solution

The fourth proportional to 8,583.62, 12,871.46 and 3,903.44 is: 5,853.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,583.62 : 12,871.46 = 3,903.44 : x
  2. Step 2: Convert to fraction form
    8,583.62/12,871.46 = 3,903.44/x
  3. Step 3: Cross multiply
    8,583.62x = 12,871.46 × 3,903.44
  4. Step 4: Simplify right side
    8,583.62x = 50,242,887.95
  5. Step 5: Solve for x
    x = 50,242,887.95/8,583.62
  6. Step 6: Final answer
    x = 5,853.35

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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.