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Finding the Fourth Proportional to 55,255.46, 82,883.10 and 13,702.46

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Solution

The fourth proportional to 55,255.46, 82,883.10 and 13,702.46 is: 20,553.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,255.46 : 82,883.10 = 13,702.46 : x
  2. Step 2: Convert to fraction form
    55,255.46/82,883.10 = 13,702.46/x
  3. Step 3: Cross multiply
    55,255.46x = 82,883.10 × 13,702.46
  4. Step 4: Simplify right side
    55,255.46x = 1,135,702,362.43
  5. Step 5: Solve for x
    x = 1,135,702,362.43/55,255.46
  6. Step 6: Final answer
    x = 20,553.67

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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.