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Finding the Fourth Proportional to 9,996.01, 13,694.47 and 9,622.19

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Solution

The fourth proportional to 9,996.01, 13,694.47 and 9,622.19 is: 13,182.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,996.01 : 13,694.47 = 9,622.19 : x
  2. Step 2: Convert to fraction form
    9,996.01/13,694.47 = 9,622.19/x
  3. Step 3: Cross multiply
    9,996.01x = 13,694.47 × 9,622.19
  4. Step 4: Simplify right side
    9,996.01x = 131,770,802.47
  5. Step 5: Solve for x
    x = 131,770,802.47/9,996.01
  6. Step 6: Final answer
    x = 13,182.34

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