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Finding the Fourth Proportional to 6,319.57, 9,481.02 and 2,159.57

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Solution

The fourth proportional to 6,319.57, 9,481.02 and 2,159.57 is: 3,239.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,319.57 : 9,481.02 = 2,159.57 : x
  2. Step 2: Convert to fraction form
    6,319.57/9,481.02 = 2,159.57/x
  3. Step 3: Cross multiply
    6,319.57x = 9,481.02 × 2,159.57
  4. Step 4: Simplify right side
    6,319.57x = 20,474,926.36
  5. Step 5: Solve for x
    x = 20,474,926.36/6,319.57
  6. Step 6: Final answer
    x = 3,239.92

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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.