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Finding the Fourth Proportional to 6,516.59, 8,995.03 and 3,964.32

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Solution

The fourth proportional to 6,516.59, 8,995.03 and 3,964.32 is: 5,472.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,516.59 : 8,995.03 = 3,964.32 : x
  2. Step 2: Convert to fraction form
    6,516.59/8,995.03 = 3,964.32/x
  3. Step 3: Cross multiply
    6,516.59x = 8,995.03 × 3,964.32
  4. Step 4: Simplify right side
    6,516.59x = 35,659,167.42
  5. Step 5: Solve for x
    x = 35,659,167.42/6,516.59
  6. Step 6: Final answer
    x = 5,472.06

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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.