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Finding the Fourth Proportional to 62,835, 86,712.48 and 35,977.92

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Solution

The fourth proportional to 62,835, 86,712.48 and 35,977.92 is: 49,649.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,835 : 86,712.48 = 35,977.92 : x
  2. Step 2: Convert to fraction form
    62,835/86,712.48 = 35,977.92/x
  3. Step 3: Cross multiply
    62,835x = 86,712.48 × 35,977.92
  4. Step 4: Simplify right side
    62,835x = 3,119,734,668.44
  5. Step 5: Solve for x
    x = 3,119,734,668.44/62,835
  6. Step 6: Final answer
    x = 49,649.63

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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.