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Finding the Fourth Proportional to 69,397.46, 104,074.67 and 25,018.47

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Solution

The fourth proportional to 69,397.46, 104,074.67 and 25,018.47 is: 37,519.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,397.46 : 104,074.67 = 25,018.47 : x
  2. Step 2: Convert to fraction form
    69,397.46/104,074.67 = 25,018.47/x
  3. Step 3: Cross multiply
    69,397.46x = 104,074.67 × 25,018.47
  4. Step 4: Simplify right side
    69,397.46x = 2,603,789,071.70
  5. Step 5: Solve for x
    x = 2,603,789,071.70/69,397.46
  6. Step 6: Final answer
    x = 37,519.95

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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.