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Finding the Fourth Proportional to 69,872.07, 104,808.14 and 22,487.16

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Solution

The fourth proportional to 69,872.07, 104,808.14 and 22,487.16 is: 33,730.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,872.07 : 104,808.14 = 22,487.16 : x
  2. Step 2: Convert to fraction form
    69,872.07/104,808.14 = 22,487.16/x
  3. Step 3: Cross multiply
    69,872.07x = 104,808.14 × 22,487.16
  4. Step 4: Simplify right side
    69,872.07x = 2,356,837,073.09
  5. Step 5: Solve for x
    x = 2,356,837,073.09/69,872.07
  6. Step 6: Final answer
    x = 33,730.75

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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.