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Finding the Fourth Proportional to 62,678.62, 86,502.72 and 35,824.99

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Solution

The fourth proportional to 62,678.62, 86,502.72 and 35,824.99 is: 49,442.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,678.62 : 86,502.72 = 35,824.99 : x
  2. Step 2: Convert to fraction form
    62,678.62/86,502.72 = 35,824.99/x
  3. Step 3: Cross multiply
    62,678.62x = 86,502.72 × 35,824.99
  4. Step 4: Simplify right side
    62,678.62x = 3,098,958,467.33
  5. Step 5: Solve for x
    x = 3,098,958,467.33/62,678.62
  6. Step 6: Final answer
    x = 49,442.03

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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.