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Finding the Fourth Proportional to 69,467.81, 104,035.22 and 35,644.82

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Solution

The fourth proportional to 69,467.81, 104,035.22 and 35,644.82 is: 53,381.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,467.81 : 104,035.22 = 35,644.82 : x
  2. Step 2: Convert to fraction form
    69,467.81/104,035.22 = 35,644.82/x
  3. Step 3: Cross multiply
    69,467.81x = 104,035.22 × 35,644.82
  4. Step 4: Simplify right side
    69,467.81x = 3,708,316,772.42
  5. Step 5: Solve for x
    x = 3,708,316,772.42/69,467.81
  6. Step 6: Final answer
    x = 53,381.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.