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Finding the Fourth Proportional to 62,668.68, 86,477.31 and 35,805.84

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Solution

The fourth proportional to 62,668.68, 86,477.31 and 35,805.84 is: 49,408.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,668.68 : 86,477.31 = 35,805.84 : x
  2. Step 2: Convert to fraction form
    62,668.68/86,477.31 = 35,805.84/x
  3. Step 3: Cross multiply
    62,668.68x = 86,477.31 × 35,805.84
  4. Step 4: Simplify right side
    62,668.68x = 3,096,392,725.49
  5. Step 5: Solve for x
    x = 3,096,392,725.49/62,668.68
  6. Step 6: Final answer
    x = 49,408.93

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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.