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Finding the Fourth Proportional to 57,759.75, 86,389.47 and 34,010.69

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Solution

The fourth proportional to 57,759.75, 86,389.47 and 34,010.69 is: 50,868.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,759.75 : 86,389.47 = 34,010.69 : x
  2. Step 2: Convert to fraction form
    57,759.75/86,389.47 = 34,010.69/x
  3. Step 3: Cross multiply
    57,759.75x = 86,389.47 × 34,010.69
  4. Step 4: Simplify right side
    57,759.75x = 2,938,165,051.49
  5. Step 5: Solve for x
    x = 2,938,165,051.49/57,759.75
  6. Step 6: Final answer
    x = 50,868.73

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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.