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Finding the Fourth Proportional to 69,481.48, 104,228.37 and 19,562.01

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Solution

The fourth proportional to 69,481.48, 104,228.37 and 19,562.01 is: 29,344.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,481.48 : 104,228.37 = 19,562.01 : x
  2. Step 2: Convert to fraction form
    69,481.48/104,228.37 = 19,562.01/x
  3. Step 3: Cross multiply
    69,481.48x = 104,228.37 × 19,562.01
  4. Step 4: Simplify right side
    69,481.48x = 2,038,916,416.22
  5. Step 5: Solve for x
    x = 2,038,916,416.22/69,481.48
  6. Step 6: Final answer
    x = 29,344.75

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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.