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Finding the Fourth Proportional to 57,745.17, 86,639.22 and 35,301.89

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Solution

The fourth proportional to 57,745.17, 86,639.22 and 35,301.89 is: 52,965.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,745.17 : 86,639.22 = 35,301.89 : x
  2. Step 2: Convert to fraction form
    57,745.17/86,639.22 = 35,301.89/x
  3. Step 3: Cross multiply
    57,745.17x = 86,639.22 × 35,301.89
  4. Step 4: Simplify right side
    57,745.17x = 3,058,528,430.72
  5. Step 5: Solve for x
    x = 3,058,528,430.72/57,745.17
  6. Step 6: Final answer
    x = 52,965.96

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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.