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Finding the Fourth Proportional to 69,612.50, 104,393.84 and 27,490.88

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Solution

The fourth proportional to 69,612.50, 104,393.84 and 27,490.88 is: 41,226.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,612.50 : 104,393.84 = 27,490.88 : x
  2. Step 2: Convert to fraction form
    69,612.50/104,393.84 = 27,490.88/x
  3. Step 3: Cross multiply
    69,612.50x = 104,393.84 × 27,490.88
  4. Step 4: Simplify right side
    69,612.50x = 2,869,877,868.76
  5. Step 5: Solve for x
    x = 2,869,877,868.76/69,612.50
  6. Step 6: Final answer
    x = 41,226.48

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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.