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Finding the Fourth Proportional to 37,065.12, 55,586.04 and 12,099.48

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Solution

The fourth proportional to 37,065.12, 55,586.04 and 12,099.48 is: 18,145.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,065.12 : 55,586.04 = 12,099.48 : x
  2. Step 2: Convert to fraction form
    37,065.12/55,586.04 = 12,099.48/x
  3. Step 3: Cross multiply
    37,065.12x = 55,586.04 × 12,099.48
  4. Step 4: Simplify right side
    37,065.12x = 672,562,179.26
  5. Step 5: Solve for x
    x = 672,562,179.26/37,065.12
  6. Step 6: Final answer
    x = 18,145.42

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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.