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Finding the Fourth Proportional to 69,471.58, 104,207.10 and 16,881.22

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Solution

The fourth proportional to 69,471.58, 104,207.10 and 16,881.22 is: 25,321.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,471.58 : 104,207.10 = 16,881.22 : x
  2. Step 2: Convert to fraction form
    69,471.58/104,207.10 = 16,881.22/x
  3. Step 3: Cross multiply
    69,471.58x = 104,207.10 × 16,881.22
  4. Step 4: Simplify right side
    69,471.58x = 1,759,142,980.66
  5. Step 5: Solve for x
    x = 1,759,142,980.66/69,471.58
  6. Step 6: Final answer
    x = 25,321.76

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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.