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Finding the Fourth Proportional to 6,407.91, 9,604.44 and 2,708.91

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Solution

The fourth proportional to 6,407.91, 9,604.44 and 2,708.91 is: 4,060.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,407.91 : 9,604.44 = 2,708.91 : x
  2. Step 2: Convert to fraction form
    6,407.91/9,604.44 = 2,708.91/x
  3. Step 3: Cross multiply
    6,407.91x = 9,604.44 × 2,708.91
  4. Step 4: Simplify right side
    6,407.91x = 26,017,563.56
  5. Step 5: Solve for x
    x = 26,017,563.56/6,407.91
  6. Step 6: Final answer
    x = 4,060.23

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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.