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Finding the Fourth Proportional to 8,583.04, 12,884.28 and 3,392.56

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Solution

The fourth proportional to 8,583.04, 12,884.28 and 3,392.56 is: 5,092.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,583.04 : 12,884.28 = 3,392.56 : x
  2. Step 2: Convert to fraction form
    8,583.04/12,884.28 = 3,392.56/x
  3. Step 3: Cross multiply
    8,583.04x = 12,884.28 × 3,392.56
  4. Step 4: Simplify right side
    8,583.04x = 43,710,692.96
  5. Step 5: Solve for x
    x = 43,710,692.96/8,583.04
  6. Step 6: Final answer
    x = 5,092.68

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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.