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Finding the Fourth Proportional to 54,722, 75,516.54 and 29,571.68

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Solution

The fourth proportional to 54,722, 75,516.54 and 29,571.68 is: 40,809.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,722 : 75,516.54 = 29,571.68 : x
  2. Step 2: Convert to fraction form
    54,722/75,516.54 = 29,571.68/x
  3. Step 3: Cross multiply
    54,722x = 75,516.54 × 29,571.68
  4. Step 4: Simplify right side
    54,722x = 2,233,150,955.59
  5. Step 5: Solve for x
    x = 2,233,150,955.59/54,722
  6. Step 6: Final answer
    x = 40,809.02

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Why These Related Problems?

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