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Finding the Fourth Proportional to 41,855.22, 62,784.54 and 10,691.28

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Solution

The fourth proportional to 41,855.22, 62,784.54 and 10,691.28 is: 16,037.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,855.22 : 62,784.54 = 10,691.28 : x
  2. Step 2: Convert to fraction form
    41,855.22/62,784.54 = 10,691.28/x
  3. Step 3: Cross multiply
    41,855.22x = 62,784.54 × 10,691.28
  4. Step 4: Simplify right side
    41,855.22x = 671,247,096.81
  5. Step 5: Solve for x
    x = 671,247,096.81/41,855.22
  6. Step 6: Final answer
    x = 16,037.36

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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.