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Finding the Fourth Proportional to 5,959.68, 8,936.88 and 3,185.76

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Solution

The fourth proportional to 5,959.68, 8,936.88 and 3,185.76 is: 4,777.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,959.68 : 8,936.88 = 3,185.76 : x
  2. Step 2: Convert to fraction form
    5,959.68/8,936.88 = 3,185.76/x
  3. Step 3: Cross multiply
    5,959.68x = 8,936.88 × 3,185.76
  4. Step 4: Simplify right side
    5,959.68x = 28,470,754.83
  5. Step 5: Solve for x
    x = 28,470,754.83/5,959.68
  6. Step 6: Final answer
    x = 4,777.23

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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.