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Finding the Fourth Proportional to 6,393.98, 8,826.41 and 4,299.32

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Solution

The fourth proportional to 6,393.98, 8,826.41 and 4,299.32 is: 5,934.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,393.98 : 8,826.41 = 4,299.32 : x
  2. Step 2: Convert to fraction form
    6,393.98/8,826.41 = 4,299.32/x
  3. Step 3: Cross multiply
    6,393.98x = 8,826.41 × 4,299.32
  4. Step 4: Simplify right side
    6,393.98x = 37,947,593.86
  5. Step 5: Solve for x
    x = 37,947,593.86/6,393.98
  6. Step 6: Final answer
    x = 5,934.89

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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.