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Finding the Fourth Proportional to 18,300.33, 27,452.32 and 5,152.82

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Solution

The fourth proportional to 18,300.33, 27,452.32 and 5,152.82 is: 7,729.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,300.33 : 27,452.32 = 5,152.82 : x
  2. Step 2: Convert to fraction form
    18,300.33/27,452.32 = 5,152.82/x
  3. Step 3: Cross multiply
    18,300.33x = 27,452.32 × 5,152.82
  4. Step 4: Simplify right side
    18,300.33x = 141,456,713.40
  5. Step 5: Solve for x
    x = 141,456,713.40/18,300.33
  6. Step 6: Final answer
    x = 7,729.74

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.