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Finding the Fourth Proportional to 54,759, 75,567.45 and 29,608.50

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Solution

The fourth proportional to 54,759, 75,567.45 and 29,608.50 is: 40,859.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,759 : 75,567.45 = 29,608.50 : x
  2. Step 2: Convert to fraction form
    54,759/75,567.45 = 29,608.50/x
  3. Step 3: Cross multiply
    54,759x = 75,567.45 × 29,608.50
  4. Step 4: Simplify right side
    54,759x = 2,237,438,843.33
  5. Step 5: Solve for x
    x = 2,237,438,843.33/54,759
  6. Step 6: Final answer
    x = 40,859.75

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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.