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Finding the Fourth Proportional to 45,583.73, 68,150.81 and 38,641.22

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Solution

The fourth proportional to 45,583.73, 68,150.81 and 38,641.22 is: 57,771.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,583.73 : 68,150.81 = 38,641.22 : x
  2. Step 2: Convert to fraction form
    45,583.73/68,150.81 = 38,641.22/x
  3. Step 3: Cross multiply
    45,583.73x = 68,150.81 × 38,641.22
  4. Step 4: Simplify right side
    45,583.73x = 2,633,429,908.43
  5. Step 5: Solve for x
    x = 2,633,429,908.43/45,583.73
  6. Step 6: Final answer
    x = 57,771.27

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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.