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Finding the Fourth Proportional to 1,951.93, 2,679.32 and 1,725.94

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Solution

The fourth proportional to 1,951.93, 2,679.32 and 1,725.94 is: 2,369.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,951.93 : 2,679.32 = 1,725.94 : x
  2. Step 2: Convert to fraction form
    1,951.93/2,679.32 = 1,725.94/x
  3. Step 3: Cross multiply
    1,951.93x = 2,679.32 × 1,725.94
  4. Step 4: Simplify right side
    1,951.93x = 4,624,345.56
  5. Step 5: Solve for x
    x = 4,624,345.56/1,951.93
  6. Step 6: Final answer
    x = 2,369.11

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.