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Finding the Fourth Proportional to 62,796.62, 86,659.08 and 35,939

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Solution

The fourth proportional to 62,796.62, 86,659.08 and 35,939 is: 49,595.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,796.62 : 86,659.08 = 35,939 : x
  2. Step 2: Convert to fraction form
    62,796.62/86,659.08 = 35,939/x
  3. Step 3: Cross multiply
    62,796.62x = 86,659.08 × 35,939
  4. Step 4: Simplify right side
    62,796.62x = 3,114,440,676.12
  5. Step 5: Solve for x
    x = 3,114,440,676.12/62,796.62
  6. Step 6: Final answer
    x = 49,595.67

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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.