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Finding the Fourth Proportional to 51,329.73, 77,018.97 and 35,559.03

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Solution

The fourth proportional to 51,329.73, 77,018.97 and 35,559.03 is: 53,355.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,329.73 : 77,018.97 = 35,559.03 : x
  2. Step 2: Convert to fraction form
    51,329.73/77,018.97 = 35,559.03/x
  3. Step 3: Cross multiply
    51,329.73x = 77,018.97 × 35,559.03
  4. Step 4: Simplify right side
    51,329.73x = 2,738,719,864.80
  5. Step 5: Solve for x
    x = 2,738,719,864.80/51,329.73
  6. Step 6: Final answer
    x = 53,355.43

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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.