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Finding the Fourth Proportional to 8,040.32, 12,036.56 and 7,195.59

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Solution

The fourth proportional to 8,040.32, 12,036.56 and 7,195.59 is: 10,771.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,040.32 : 12,036.56 = 7,195.59 : x
  2. Step 2: Convert to fraction form
    8,040.32/12,036.56 = 7,195.59/x
  3. Step 3: Cross multiply
    8,040.32x = 12,036.56 × 7,195.59
  4. Step 4: Simplify right side
    8,040.32x = 86,610,168.88
  5. Step 5: Solve for x
    x = 86,610,168.88/8,040.32
  6. Step 6: Final answer
    x = 10,771.98

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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.