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Finding the Fourth Proportional to 7,996.32, 11,924.01 and 7,442.28

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Solution

The fourth proportional to 7,996.32, 11,924.01 and 7,442.28 is: 11,097.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,996.32 : 11,924.01 = 7,442.28 : x
  2. Step 2: Convert to fraction form
    7,996.32/11,924.01 = 7,442.28/x
  3. Step 3: Cross multiply
    7,996.32x = 11,924.01 × 7,442.28
  4. Step 4: Simplify right side
    7,996.32x = 88,741,821.14
  5. Step 5: Solve for x
    x = 88,741,821.14/7,996.32
  6. Step 6: Final answer
    x = 11,097.83

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