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Finding the Fourth Proportional to 64,753.26, 89,361.93 and 35,682.86

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Solution

The fourth proportional to 64,753.26, 89,361.93 and 35,682.86 is: 49,243.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,753.26 : 89,361.93 = 35,682.86 : x
  2. Step 2: Convert to fraction form
    64,753.26/89,361.93 = 35,682.86/x
  3. Step 3: Cross multiply
    64,753.26x = 89,361.93 × 35,682.86
  4. Step 4: Simplify right side
    64,753.26x = 3,188,688,790.71
  5. Step 5: Solve for x
    x = 3,188,688,790.71/64,753.26
  6. Step 6: Final answer
    x = 49,243.68

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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.