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Finding the Fourth Proportional to 6,343.58, 9,516.59 and 1,960.88

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Solution

The fourth proportional to 6,343.58, 9,516.59 and 1,960.88 is: 2,941.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,343.58 : 9,516.59 = 1,960.88 : x
  2. Step 2: Convert to fraction form
    6,343.58/9,516.59 = 1,960.88/x
  3. Step 3: Cross multiply
    6,343.58x = 9,516.59 × 1,960.88
  4. Step 4: Simplify right side
    6,343.58x = 18,660,891.00
  5. Step 5: Solve for x
    x = 18,660,891.00/6,343.58
  6. Step 6: Final answer
    x = 2,941.70

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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.