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Finding the Fourth Proportional to 51,918.62, 77,870.52 and 16,375.34

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Solution

The fourth proportional to 51,918.62, 77,870.52 and 16,375.34 is: 24,560.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,918.62 : 77,870.52 = 16,375.34 : x
  2. Step 2: Convert to fraction form
    51,918.62/77,870.52 = 16,375.34/x
  3. Step 3: Cross multiply
    51,918.62x = 77,870.52 × 16,375.34
  4. Step 4: Simplify right side
    51,918.62x = 1,275,156,240.98
  5. Step 5: Solve for x
    x = 1,275,156,240.98/51,918.62
  6. Step 6: Final answer
    x = 24,560.67

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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.