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Finding the Fourth Proportional to 62,484.72, 86,230.40 and 35,629.80

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Solution

The fourth proportional to 62,484.72, 86,230.40 and 35,629.80 is: 49,169.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,484.72 : 86,230.40 = 35,629.80 : x
  2. Step 2: Convert to fraction form
    62,484.72/86,230.40 = 35,629.80/x
  3. Step 3: Cross multiply
    62,484.72x = 86,230.40 × 35,629.80
  4. Step 4: Simplify right side
    62,484.72x = 3,072,371,905.92
  5. Step 5: Solve for x
    x = 3,072,371,905.92/62,484.72
  6. Step 6: Final answer
    x = 49,169.97

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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.