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Finding the Fourth Proportional to 6,791.58, 9,358.34 and 5,459.94

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Solution

The fourth proportional to 6,791.58, 9,358.34 and 5,459.94 is: 7,523.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,791.58 : 9,358.34 = 5,459.94 : x
  2. Step 2: Convert to fraction form
    6,791.58/9,358.34 = 5,459.94/x
  3. Step 3: Cross multiply
    6,791.58x = 9,358.34 × 5,459.94
  4. Step 4: Simplify right side
    6,791.58x = 51,095,947.60
  5. Step 5: Solve for x
    x = 51,095,947.60/6,791.58
  6. Step 6: Final answer
    x = 7,523.43

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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.