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Finding the Fourth Proportional to 13,662.44, 18,853.94 and 8,001.08

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Solution

The fourth proportional to 13,662.44, 18,853.94 and 8,001.08 is: 11,041.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,662.44 : 18,853.94 = 8,001.08 : x
  2. Step 2: Convert to fraction form
    13,662.44/18,853.94 = 8,001.08/x
  3. Step 3: Cross multiply
    13,662.44x = 18,853.94 × 8,001.08
  4. Step 4: Simplify right side
    13,662.44x = 150,851,882.26
  5. Step 5: Solve for x
    x = 150,851,882.26/13,662.44
  6. Step 6: Final answer
    x = 11,041.36

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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.