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Finding the Fourth Proportional to 5,958.13, 8,940.56 and 5,911.09

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Solution

The fourth proportional to 5,958.13, 8,940.56 and 5,911.09 is: 8,869.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,958.13 : 8,940.56 = 5,911.09 : x
  2. Step 2: Convert to fraction form
    5,958.13/8,940.56 = 5,911.09/x
  3. Step 3: Cross multiply
    5,958.13x = 8,940.56 × 5,911.09
  4. Step 4: Simplify right side
    5,958.13x = 52,848,454.81
  5. Step 5: Solve for x
    x = 52,848,454.81/5,958.13
  6. Step 6: Final answer
    x = 8,869.97

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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.