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Finding the Fourth Proportional to 45,137, 62,289.12 and 25,265

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Solution

The fourth proportional to 45,137, 62,289.12 and 25,265 is: 34,865.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,137 : 62,289.12 = 25,265 : x
  2. Step 2: Convert to fraction form
    45,137/62,289.12 = 25,265/x
  3. Step 3: Cross multiply
    45,137x = 62,289.12 × 25,265
  4. Step 4: Simplify right side
    45,137x = 1,573,734,616.80
  5. Step 5: Solve for x
    x = 1,573,734,616.80/45,137
  6. Step 6: Final answer
    x = 34,865.73

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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.