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Finding the Fourth Proportional to 25,150.65, 37,731.82 and 7,380.60

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Solution

The fourth proportional to 25,150.65, 37,731.82 and 7,380.60 is: 11,072.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,150.65 : 37,731.82 = 7,380.60 : x
  2. Step 2: Convert to fraction form
    25,150.65/37,731.82 = 7,380.60/x
  3. Step 3: Cross multiply
    25,150.65x = 37,731.82 × 7,380.60
  4. Step 4: Simplify right side
    25,150.65x = 278,483,263.58
  5. Step 5: Solve for x
    x = 278,483,263.58/25,150.65
  6. Step 6: Final answer
    x = 11,072.61

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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.