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Finding the Fourth Proportional to 6,213.92, 9,318.90 and 2,053.16

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Solution

The fourth proportional to 6,213.92, 9,318.90 and 2,053.16 is: 3,079.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,213.92 : 9,318.90 = 2,053.16 : x
  2. Step 2: Convert to fraction form
    6,213.92/9,318.90 = 2,053.16/x
  3. Step 3: Cross multiply
    6,213.92x = 9,318.90 × 2,053.16
  4. Step 4: Simplify right side
    6,213.92x = 19,133,192.72
  5. Step 5: Solve for x
    x = 19,133,192.72/6,213.92
  6. Step 6: Final answer
    x = 3,079.09

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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.