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Finding the Fourth Proportional to 57,487.38, 86,083.42 and 35,233.33

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Solution

The fourth proportional to 57,487.38, 86,083.42 and 35,233.33 is: 52,759.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,487.38 : 86,083.42 = 35,233.33 : x
  2. Step 2: Convert to fraction form
    57,487.38/86,083.42 = 35,233.33/x
  3. Step 3: Cross multiply
    57,487.38x = 86,083.42 × 35,233.33
  4. Step 4: Simplify right side
    57,487.38x = 3,033,005,544.39
  5. Step 5: Solve for x
    x = 3,033,005,544.39/57,487.38
  6. Step 6: Final answer
    x = 52,759.50

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1.5x scale

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.