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Finding the Fourth Proportional to 48,758.49, 73,137.74 and 17,191.98

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Solution

The fourth proportional to 48,758.49, 73,137.74 and 17,191.98 is: 25,787.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,758.49 : 73,137.74 = 17,191.98 : x
  2. Step 2: Convert to fraction form
    48,758.49/73,137.74 = 17,191.98/x
  3. Step 3: Cross multiply
    48,758.49x = 73,137.74 × 17,191.98
  4. Step 4: Simplify right side
    48,758.49x = 1,257,382,477.37
  5. Step 5: Solve for x
    x = 1,257,382,477.37/48,758.49
  6. Step 6: Final answer
    x = 25,787.97

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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.