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Finding the Fourth Proportional to 62,143.68, 85,759.36 and 33,849.28

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Solution

The fourth proportional to 62,143.68, 85,759.36 and 33,849.28 is: 46,712.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,143.68 : 85,759.36 = 33,849.28 : x
  2. Step 2: Convert to fraction form
    62,143.68/85,759.36 = 33,849.28/x
  3. Step 3: Cross multiply
    62,143.68x = 85,759.36 × 33,849.28
  4. Step 4: Simplify right side
    62,143.68x = 2,902,892,589.26
  5. Step 5: Solve for x
    x = 2,902,892,589.26/62,143.68
  6. Step 6: Final answer
    x = 46,712.60

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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.