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Finding the Fourth Proportional to 69,484.62, 104,226.63 and 16,894.56

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Solution

The fourth proportional to 69,484.62, 104,226.63 and 16,894.56 is: 25,341.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,484.62 : 104,226.63 = 16,894.56 : x
  2. Step 2: Convert to fraction form
    69,484.62/104,226.63 = 16,894.56/x
  3. Step 3: Cross multiply
    69,484.62x = 104,226.63 × 16,894.56
  4. Step 4: Simplify right side
    69,484.62x = 1,760,863,054.13
  5. Step 5: Solve for x
    x = 1,760,863,054.13/69,484.62
  6. Step 6: Final answer
    x = 25,341.77

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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.