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Finding the Fourth Proportional to 63,378.66, 87,462 and 35,083.74

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Solution

The fourth proportional to 63,378.66, 87,462 and 35,083.74 is: 48,415.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,378.66 : 87,462 = 35,083.74 : x
  2. Step 2: Convert to fraction form
    63,378.66/87,462 = 35,083.74/x
  3. Step 3: Cross multiply
    63,378.66x = 87,462 × 35,083.74
  4. Step 4: Simplify right side
    63,378.66x = 3,068,494,067.88
  5. Step 5: Solve for x
    x = 3,068,494,067.88/63,378.66
  6. Step 6: Final answer
    x = 48,415.26

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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.