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Finding the Fourth Proportional to 6,658.44, 9,190.23 and 4,005.33

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Solution

The fourth proportional to 6,658.44, 9,190.23 and 4,005.33 is: 5,528.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,658.44 : 9,190.23 = 4,005.33 : x
  2. Step 2: Convert to fraction form
    6,658.44/9,190.23 = 4,005.33/x
  3. Step 3: Cross multiply
    6,658.44x = 9,190.23 × 4,005.33
  4. Step 4: Simplify right side
    6,658.44x = 36,809,903.93
  5. Step 5: Solve for x
    x = 36,809,903.93/6,658.44
  6. Step 6: Final answer
    x = 5,528.31

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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.