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Finding the Fourth Proportional to 49,896.40, 74,828.40 and 16,610.80

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Solution

The fourth proportional to 49,896.40, 74,828.40 and 16,610.80 is: 24,910.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,896.40 : 74,828.40 = 16,610.80 : x
  2. Step 2: Convert to fraction form
    49,896.40/74,828.40 = 16,610.80/x
  3. Step 3: Cross multiply
    49,896.40x = 74,828.40 × 16,610.80
  4. Step 4: Simplify right side
    49,896.40x = 1,242,959,586.72
  5. Step 5: Solve for x
    x = 1,242,959,586.72/49,896.40
  6. Step 6: Final answer
    x = 24,910.81

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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.