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Finding the Fourth Proportional to 5,659.59, 8,487.46 and 1,960.95

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Solution

The fourth proportional to 5,659.59, 8,487.46 and 1,960.95 is: 2,940.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,659.59 : 8,487.46 = 1,960.95 : x
  2. Step 2: Convert to fraction form
    5,659.59/8,487.46 = 1,960.95/x
  3. Step 3: Cross multiply
    5,659.59x = 8,487.46 × 1,960.95
  4. Step 4: Simplify right side
    5,659.59x = 16,643,496.00
  5. Step 5: Solve for x
    x = 16,643,496.00/5,659.59
  6. Step 6: Final answer
    x = 2,940.76

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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.