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Finding the Fourth Proportional to 9,994.13, 13,850.23 and 9,853.19

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Solution

The fourth proportional to 9,994.13, 13,850.23 and 9,853.19 is: 13,654.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,994.13 : 13,850.23 = 9,853.19 : x
  2. Step 2: Convert to fraction form
    9,994.13/13,850.23 = 9,853.19/x
  3. Step 3: Cross multiply
    9,994.13x = 13,850.23 × 9,853.19
  4. Step 4: Simplify right side
    9,994.13x = 136,468,947.73
  5. Step 5: Solve for x
    x = 136,468,947.73/9,994.13
  6. Step 6: Final answer
    x = 13,654.91

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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 (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.