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Finding the Fourth Proportional to 62,676.10, 86,500.67 and 35,812.45

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Solution

The fourth proportional to 62,676.10, 86,500.67 and 35,812.45 is: 49,425.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,676.10 : 86,500.67 = 35,812.45 : x
  2. Step 2: Convert to fraction form
    62,676.10/86,500.67 = 35,812.45/x
  3. Step 3: Cross multiply
    62,676.10x = 86,500.67 × 35,812.45
  4. Step 4: Simplify right side
    62,676.10x = 3,097,800,919.34
  5. Step 5: Solve for x
    x = 3,097,800,919.34/62,676.10
  6. Step 6: Final answer
    x = 49,425.55

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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.