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Finding the Fourth Proportional to 2,600.46, 3,898.26 and 956.57

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Solution

The fourth proportional to 2,600.46, 3,898.26 and 956.57 is: 1,433.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,600.46 : 3,898.26 = 956.57 : x
  2. Step 2: Convert to fraction form
    2,600.46/3,898.26 = 956.57/x
  3. Step 3: Cross multiply
    2,600.46x = 3,898.26 × 956.57
  4. Step 4: Simplify right side
    2,600.46x = 3,728,939.08
  5. Step 5: Solve for x
    x = 3,728,939.08/2,600.46
  6. Step 6: Final answer
    x = 1,433.95

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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.