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Finding the Fourth Proportional to 6,379.43, 9,551.86 and 3,294.95

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Solution

The fourth proportional to 6,379.43, 9,551.86 and 3,294.95 is: 4,933.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,379.43 : 9,551.86 = 3,294.95 : x
  2. Step 2: Convert to fraction form
    6,379.43/9,551.86 = 3,294.95/x
  3. Step 3: Cross multiply
    6,379.43x = 9,551.86 × 3,294.95
  4. Step 4: Simplify right side
    6,379.43x = 31,472,845.11
  5. Step 5: Solve for x
    x = 31,472,845.11/6,379.43
  6. Step 6: Final answer
    x = 4,933.49

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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.