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Finding the Fourth Proportional to 69,131.44, 103,713.56 and 22,384.32

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Solution

The fourth proportional to 69,131.44, 103,713.56 and 22,384.32 is: 33,581.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,131.44 : 103,713.56 = 22,384.32 : x
  2. Step 2: Convert to fraction form
    69,131.44/103,713.56 = 22,384.32/x
  3. Step 3: Cross multiply
    69,131.44x = 103,713.56 × 22,384.32
  4. Step 4: Simplify right side
    69,131.44x = 2,321,557,515.38
  5. Step 5: Solve for x
    x = 2,321,557,515.38/69,131.44
  6. Step 6: Final answer
    x = 33,581.79

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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.