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Finding the Fourth Proportional to 45,397, 62,647.86 and 25,525

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Solution

The fourth proportional to 45,397, 62,647.86 and 25,525 is: 35,224.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,397 : 62,647.86 = 25,525 : x
  2. Step 2: Convert to fraction form
    45,397/62,647.86 = 25,525/x
  3. Step 3: Cross multiply
    45,397x = 62,647.86 × 25,525
  4. Step 4: Simplify right side
    45,397x = 1,599,086,626.50
  5. Step 5: Solve for x
    x = 1,599,086,626.50/45,397
  6. Step 6: Final answer
    x = 35,224.50

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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.