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Finding the Fourth Proportional to 5,794.65, 8,691.93 and 1,899

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Solution

The fourth proportional to 5,794.65, 8,691.93 and 1,899 is: 2,848.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,794.65 : 8,691.93 = 1,899 : x
  2. Step 2: Convert to fraction form
    5,794.65/8,691.93 = 1,899/x
  3. Step 3: Cross multiply
    5,794.65x = 8,691.93 × 1,899
  4. Step 4: Simplify right side
    5,794.65x = 16,505,975.07
  5. Step 5: Solve for x
    x = 16,505,975.07/5,794.65
  6. Step 6: Final answer
    x = 2,848.49

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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.