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Finding the Fourth Proportional to 69,522.69, 104,284 and 25,148.46

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Solution

The fourth proportional to 69,522.69, 104,284 and 25,148.46 is: 37,722.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,522.69 : 104,284 = 25,148.46 : x
  2. Step 2: Convert to fraction form
    69,522.69/104,284 = 25,148.46/x
  3. Step 3: Cross multiply
    69,522.69x = 104,284 × 25,148.46
  4. Step 4: Simplify right side
    69,522.69x = 2,622,582,002.64
  5. Step 5: Solve for x
    x = 2,622,582,002.64/69,522.69
  6. Step 6: Final answer
    x = 37,722.68

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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.