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Finding the Fourth Proportional to 6,296.85, 8,689.16 and 3,644.46

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Solution

The fourth proportional to 6,296.85, 8,689.16 and 3,644.46 is: 5,029.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,296.85 : 8,689.16 = 3,644.46 : x
  2. Step 2: Convert to fraction form
    6,296.85/8,689.16 = 3,644.46/x
  3. Step 3: Cross multiply
    6,296.85x = 8,689.16 × 3,644.46
  4. Step 4: Simplify right side
    6,296.85x = 31,667,277.83
  5. Step 5: Solve for x
    x = 31,667,277.83/6,296.85
  6. Step 6: Final answer
    x = 5,029.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.