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Finding the Fourth Proportional to 18,367.36, 27,534.24 and 7,975.36

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Solution

The fourth proportional to 18,367.36, 27,534.24 and 7,975.36 is: 11,955.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,367.36 : 27,534.24 = 7,975.36 : x
  2. Step 2: Convert to fraction form
    18,367.36/27,534.24 = 7,975.36/x
  3. Step 3: Cross multiply
    18,367.36x = 27,534.24 × 7,975.36
  4. Step 4: Simplify right side
    18,367.36x = 219,595,476.33
  5. Step 5: Solve for x
    x = 219,595,476.33/18,367.36
  6. Step 6: Final answer
    x = 11,955.75

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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.