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Finding the Fourth Proportional to 47,803.56, 71,725.50 and 25,611

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Solution

The fourth proportional to 47,803.56, 71,725.50 and 25,611 is: 38,427.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,803.56 : 71,725.50 = 25,611 : x
  2. Step 2: Convert to fraction form
    47,803.56/71,725.50 = 25,611/x
  3. Step 3: Cross multiply
    47,803.56x = 71,725.50 × 25,611
  4. Step 4: Simplify right side
    47,803.56x = 1,836,961,780.50
  5. Step 5: Solve for x
    x = 1,836,961,780.50/47,803.56
  6. Step 6: Final answer
    x = 38,427.30

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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.