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Finding the Fourth Proportional to 2,523.91, 3,785.99 and 964.04

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Solution

The fourth proportional to 2,523.91, 3,785.99 and 964.04 is: 1,446.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,523.91 : 3,785.99 = 964.04 : x
  2. Step 2: Convert to fraction form
    2,523.91/3,785.99 = 964.04/x
  3. Step 3: Cross multiply
    2,523.91x = 3,785.99 × 964.04
  4. Step 4: Simplify right side
    2,523.91x = 3,649,853.99
  5. Step 5: Solve for x
    x = 3,649,853.99/2,523.91
  6. Step 6: Final answer
    x = 1,446.11

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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.