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Finding the Fourth Proportional to 41,172.48, 61,784.64 and 25,620.48

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Solution

The fourth proportional to 41,172.48, 61,784.64 and 25,620.48 is: 38,446.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,172.48 : 61,784.64 = 25,620.48 : x
  2. Step 2: Convert to fraction form
    41,172.48/61,784.64 = 25,620.48/x
  3. Step 3: Cross multiply
    41,172.48x = 61,784.64 × 25,620.48
  4. Step 4: Simplify right side
    41,172.48x = 1,582,952,133.43
  5. Step 5: Solve for x
    x = 1,582,952,133.43/41,172.48
  6. Step 6: Final answer
    x = 38,446.85

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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.