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Finding the Fourth Proportional to 8,652.56, 12,983.84 and 3,654.56

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Solution

The fourth proportional to 8,652.56, 12,983.84 and 3,654.56 is: 5,483.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,652.56 : 12,983.84 = 3,654.56 : x
  2. Step 2: Convert to fraction form
    8,652.56/12,983.84 = 3,654.56/x
  3. Step 3: Cross multiply
    8,652.56x = 12,983.84 × 3,654.56
  4. Step 4: Simplify right side
    8,652.56x = 47,450,222.31
  5. Step 5: Solve for x
    x = 47,450,222.31/8,652.56
  6. Step 6: Final answer
    x = 5,483.95

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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.