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Finding the Fourth Proportional to 6,659.93, 9,982.79 and 5,011.38

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Solution

The fourth proportional to 6,659.93, 9,982.79 and 5,011.38 is: 7,511.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,659.93 : 9,982.79 = 5,011.38 : x
  2. Step 2: Convert to fraction form
    6,659.93/9,982.79 = 5,011.38/x
  3. Step 3: Cross multiply
    6,659.93x = 9,982.79 × 5,011.38
  4. Step 4: Simplify right side
    6,659.93x = 50,027,529.09
  5. Step 5: Solve for x
    x = 50,027,529.09/6,659.93
  6. Step 6: Final answer
    x = 7,511.72

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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.