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Finding the Fourth Proportional to 51,685.25, 71,321.25 and 29,022.45

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Solution

The fourth proportional to 51,685.25, 71,321.25 and 29,022.45 is: 40,048.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,685.25 : 71,321.25 = 29,022.45 : x
  2. Step 2: Convert to fraction form
    51,685.25/71,321.25 = 29,022.45/x
  3. Step 3: Cross multiply
    51,685.25x = 71,321.25 × 29,022.45
  4. Step 4: Simplify right side
    51,685.25x = 2,069,917,412.06
  5. Step 5: Solve for x
    x = 2,069,917,412.06/51,685.25
  6. Step 6: Final answer
    x = 40,048.52

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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.