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Finding the Fourth Proportional to 8,393.30, 11,594.56 and 7,950.44

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Solution

The fourth proportional to 8,393.30, 11,594.56 and 7,950.44 is: 10,982.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,393.30 : 11,594.56 = 7,950.44 : x
  2. Step 2: Convert to fraction form
    8,393.30/11,594.56 = 7,950.44/x
  3. Step 3: Cross multiply
    8,393.30x = 11,594.56 × 7,950.44
  4. Step 4: Simplify right side
    8,393.30x = 92,181,853.61
  5. Step 5: Solve for x
    x = 92,181,853.61/8,393.30
  6. Step 6: Final answer
    x = 10,982.79

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Half scale
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Double scale
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Similar ratio
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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.