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Finding the Fourth Proportional to 6,470.25, 8,936.28 and 4,370.73

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Solution

The fourth proportional to 6,470.25, 8,936.28 and 4,370.73 is: 6,036.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,470.25 : 8,936.28 = 4,370.73 : x
  2. Step 2: Convert to fraction form
    6,470.25/8,936.28 = 4,370.73/x
  3. Step 3: Cross multiply
    6,470.25x = 8,936.28 × 4,370.73
  4. Step 4: Simplify right side
    6,470.25x = 39,058,067.08
  5. Step 5: Solve for x
    x = 39,058,067.08/6,470.25
  6. Step 6: Final answer
    x = 6,036.56

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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.