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Finding the Fourth Proportional to 5,958.86, 8,223.12 and 3,306.15

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Solution

The fourth proportional to 5,958.86, 8,223.12 and 3,306.15 is: 4,562.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,958.86 : 8,223.12 = 3,306.15 : x
  2. Step 2: Convert to fraction form
    5,958.86/8,223.12 = 3,306.15/x
  3. Step 3: Cross multiply
    5,958.86x = 8,223.12 × 3,306.15
  4. Step 4: Simplify right side
    5,958.86x = 27,186,868.19
  5. Step 5: Solve for x
    x = 27,186,868.19/5,958.86
  6. Step 6: Final answer
    x = 4,562.43

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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.