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Finding the Fourth Proportional to 6,305.44, 8,698.08 and 3,947.08

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Solution

The fourth proportional to 6,305.44, 8,698.08 and 3,947.08 is: 5,444.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,305.44 : 8,698.08 = 3,947.08 : x
  2. Step 2: Convert to fraction form
    6,305.44/8,698.08 = 3,947.08/x
  3. Step 3: Cross multiply
    6,305.44x = 8,698.08 × 3,947.08
  4. Step 4: Simplify right side
    6,305.44x = 34,332,017.61
  5. Step 5: Solve for x
    x = 34,332,017.61/6,305.44
  6. Step 6: Final answer
    x = 5,444.83

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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.