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Finding the Fourth Proportional to 24,393.42, 33,662.97 and 13,215.42

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Solution

The fourth proportional to 24,393.42, 33,662.97 and 13,215.42 is: 18,237.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,393.42 : 33,662.97 = 13,215.42 : x
  2. Step 2: Convert to fraction form
    24,393.42/33,662.97 = 13,215.42/x
  3. Step 3: Cross multiply
    24,393.42x = 33,662.97 × 13,215.42
  4. Step 4: Simplify right side
    24,393.42x = 444,870,287.00
  5. Step 5: Solve for x
    x = 444,870,287.00/24,393.42
  6. Step 6: Final answer
    x = 18,237.31

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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.