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Finding the Fourth Proportional to 51,375.06, 76,988.07 and 25,050.06

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Solution

The fourth proportional to 51,375.06, 76,988.07 and 25,050.06 is: 37,538.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,375.06 : 76,988.07 = 25,050.06 : x
  2. Step 2: Convert to fraction form
    51,375.06/76,988.07 = 25,050.06/x
  3. Step 3: Cross multiply
    51,375.06x = 76,988.07 × 25,050.06
  4. Step 4: Simplify right side
    51,375.06x = 1,928,555,772.78
  5. Step 5: Solve for x
    x = 1,928,555,772.78/51,375.06
  6. Step 6: Final answer
    x = 37,538.75

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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.