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Finding the Fourth Proportional to 45,518.62, 62,815.44 and 25,375.67

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Solution

The fourth proportional to 45,518.62, 62,815.44 and 25,375.67 is: 35,018.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,518.62 : 62,815.44 = 25,375.67 : x
  2. Step 2: Convert to fraction form
    45,518.62/62,815.44 = 25,375.67/x
  3. Step 3: Cross multiply
    45,518.62x = 62,815.44 × 25,375.67
  4. Step 4: Simplify right side
    45,518.62x = 1,593,983,876.34
  5. Step 5: Solve for x
    x = 1,593,983,876.34/45,518.62
  6. Step 6: Final answer
    x = 35,018.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.