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Finding the Fourth Proportional to 18,393.96, 27,566.65 and 7,294.57

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Solution

The fourth proportional to 18,393.96, 27,566.65 and 7,294.57 is: 10,932.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,393.96 : 27,566.65 = 7,294.57 : x
  2. Step 2: Convert to fraction form
    18,393.96/27,566.65 = 7,294.57/x
  3. Step 3: Cross multiply
    18,393.96x = 27,566.65 × 7,294.57
  4. Step 4: Simplify right side
    18,393.96x = 201,086,858.09
  5. Step 5: Solve for x
    x = 201,086,858.09/18,393.96
  6. Step 6: Final answer
    x = 10,932.22

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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.