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Finding the Fourth Proportional to 2,486.93, 3,725.53 and 1,168.97

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Solution

The fourth proportional to 2,486.93, 3,725.53 and 1,168.97 is: 1,751.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,486.93 : 3,725.53 = 1,168.97 : x
  2. Step 2: Convert to fraction form
    2,486.93/3,725.53 = 1,168.97/x
  3. Step 3: Cross multiply
    2,486.93x = 3,725.53 × 1,168.97
  4. Step 4: Simplify right side
    2,486.93x = 4,355,011.25
  5. Step 5: Solve for x
    x = 4,355,011.25/2,486.93
  6. Step 6: Final answer
    x = 1,751.16

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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.