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Finding the Fourth Proportional to 69,274.46, 103,874.42 and 35,911.82

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Solution

The fourth proportional to 69,274.46, 103,874.42 and 35,911.82 is: 53,848.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,274.46 : 103,874.42 = 35,911.82 : x
  2. Step 2: Convert to fraction form
    69,274.46/103,874.42 = 35,911.82/x
  3. Step 3: Cross multiply
    69,274.46x = 103,874.42 × 35,911.82
  4. Step 4: Simplify right side
    69,274.46x = 3,730,319,473.64
  5. Step 5: Solve for x
    x = 3,730,319,473.64/69,274.46
  6. Step 6: Final answer
    x = 53,848.41

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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.