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Finding the Fourth Proportional to 17,037.48, 25,562.70 and 8,721.48

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Solution

The fourth proportional to 17,037.48, 25,562.70 and 8,721.48 is: 13,085.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,037.48 : 25,562.70 = 8,721.48 : x
  2. Step 2: Convert to fraction form
    17,037.48/25,562.70 = 8,721.48/x
  3. Step 3: Cross multiply
    17,037.48x = 25,562.70 × 8,721.48
  4. Step 4: Simplify right side
    17,037.48x = 222,944,576.80
  5. Step 5: Solve for x
    x = 222,944,576.80/17,037.48
  6. Step 6: Final answer
    x = 13,085.54

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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.