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Finding the Fourth Proportional to 41,297.38, 61,945.95 and 11,715.22

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Solution

The fourth proportional to 41,297.38, 61,945.95 and 11,715.22 is: 17,572.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,297.38 : 61,945.95 = 11,715.22 : x
  2. Step 2: Convert to fraction form
    41,297.38/61,945.95 = 11,715.22/x
  3. Step 3: Cross multiply
    41,297.38x = 61,945.95 × 11,715.22
  4. Step 4: Simplify right side
    41,297.38x = 725,710,432.36
  5. Step 5: Solve for x
    x = 725,710,432.36/41,297.38
  6. Step 6: Final answer
    x = 17,572.80

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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.