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Finding the Fourth Proportional to 19,910.37, 29,870.42 and 6,059.37

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Solution

The fourth proportional to 19,910.37, 29,870.42 and 6,059.37 is: 9,090.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,910.37 : 29,870.42 = 6,059.37 : x
  2. Step 2: Convert to fraction form
    19,910.37/29,870.42 = 6,059.37/x
  3. Step 3: Cross multiply
    19,910.37x = 29,870.42 × 6,059.37
  4. Step 4: Simplify right side
    19,910.37x = 180,995,896.54
  5. Step 5: Solve for x
    x = 180,995,896.54/19,910.37
  6. Step 6: Final answer
    x = 9,090.53

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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.