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Finding the Fourth Proportional to 31,200.75, 43,057.08 and 17,053.56

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Solution

The fourth proportional to 31,200.75, 43,057.08 and 17,053.56 is: 23,533.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,200.75 : 43,057.08 = 17,053.56 : x
  2. Step 2: Convert to fraction form
    31,200.75/43,057.08 = 17,053.56/x
  3. Step 3: Cross multiply
    31,200.75x = 43,057.08 × 17,053.56
  4. Step 4: Simplify right side
    31,200.75x = 734,276,497.20
  5. Step 5: Solve for x
    x = 734,276,497.20/31,200.75
  6. Step 6: Final answer
    x = 23,533.94

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.