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Finding the Fourth Proportional to 45,144, 62,296.80 and 25,000.80

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Solution

The fourth proportional to 45,144, 62,296.80 and 25,000.80 is: 34,500.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,144 : 62,296.80 = 25,000.80 : x
  2. Step 2: Convert to fraction form
    45,144/62,296.80 = 25,000.80/x
  3. Step 3: Cross multiply
    45,144x = 62,296.80 × 25,000.80
  4. Step 4: Simplify right side
    45,144x = 1,557,469,837.44
  5. Step 5: Solve for x
    x = 1,557,469,837.44/45,144
  6. Step 6: Final answer
    x = 34,500.04

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1.5x scale

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.