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Finding the Fourth Proportional to 69,624.66, 104,436.84 and 25,251.30

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Solution

The fourth proportional to 69,624.66, 104,436.84 and 25,251.30 is: 37,876.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,624.66 : 104,436.84 = 25,251.30 : x
  2. Step 2: Convert to fraction form
    69,624.66/104,436.84 = 25,251.30/x
  3. Step 3: Cross multiply
    69,624.66x = 104,436.84 × 25,251.30
  4. Step 4: Simplify right side
    69,624.66x = 2,637,165,977.89
  5. Step 5: Solve for x
    x = 2,637,165,977.89/69,624.66
  6. Step 6: Final answer
    x = 37,876.90

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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.