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Finding the Fourth Proportional to 4,882.68, 7,324.36 and 1,960.98

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Solution

The fourth proportional to 4,882.68, 7,324.36 and 1,960.98 is: 2,941.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,882.68 : 7,324.36 = 1,960.98 : x
  2. Step 2: Convert to fraction form
    4,882.68/7,324.36 = 1,960.98/x
  3. Step 3: Cross multiply
    4,882.68x = 7,324.36 × 1,960.98
  4. Step 4: Simplify right side
    4,882.68x = 14,362,952.90
  5. Step 5: Solve for x
    x = 14,362,952.90/4,882.68
  6. Step 6: Final answer
    x = 2,941.61

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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.