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Finding the Fourth Proportional to 5,960.98, 8,935.63 and 2,840.15

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Solution

The fourth proportional to 5,960.98, 8,935.63 and 2,840.15 is: 4,257.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,960.98 : 8,935.63 = 2,840.15 : x
  2. Step 2: Convert to fraction form
    5,960.98/8,935.63 = 2,840.15/x
  3. Step 3: Cross multiply
    5,960.98x = 8,935.63 × 2,840.15
  4. Step 4: Simplify right side
    5,960.98x = 25,378,529.54
  5. Step 5: Solve for x
    x = 25,378,529.54/5,960.98
  6. Step 6: Final answer
    x = 4,257.44

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1.5x scale

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.