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Finding the Fourth Proportional to 2,314.63, 3,473.30 and 854.79

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Solution

The fourth proportional to 2,314.63, 3,473.30 and 854.79 is: 1,282.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,314.63 : 3,473.30 = 854.79 : x
  2. Step 2: Convert to fraction form
    2,314.63/3,473.30 = 854.79/x
  3. Step 3: Cross multiply
    2,314.63x = 3,473.30 × 854.79
  4. Step 4: Simplify right side
    2,314.63x = 2,968,942.11
  5. Step 5: Solve for x
    x = 2,968,942.11/2,314.63
  6. Step 6: Final answer
    x = 1,282.69

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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.