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Finding the Fourth Proportional to 11,763.56, 17,644.84 and 2,998.22

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Solution

The fourth proportional to 11,763.56, 17,644.84 and 2,998.22 is: 4,497.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,763.56 : 17,644.84 = 2,998.22 : x
  2. Step 2: Convert to fraction form
    11,763.56/17,644.84 = 2,998.22/x
  3. Step 3: Cross multiply
    11,763.56x = 17,644.84 × 2,998.22
  4. Step 4: Simplify right side
    11,763.56x = 52,903,016.47
  5. Step 5: Solve for x
    x = 52,903,016.47/11,763.56
  6. Step 6: Final answer
    x = 4,497.19

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