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Finding the Fourth Proportional to 7,760.66, 11,643.04 and 2,834.44

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Solution

The fourth proportional to 7,760.66, 11,643.04 and 2,834.44 is: 4,252.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,760.66 : 11,643.04 = 2,834.44 : x
  2. Step 2: Convert to fraction form
    7,760.66/11,643.04 = 2,834.44/x
  3. Step 3: Cross multiply
    7,760.66x = 11,643.04 × 2,834.44
  4. Step 4: Simplify right side
    7,760.66x = 33,001,538.23
  5. Step 5: Solve for x
    x = 33,001,538.23/7,760.66
  6. Step 6: Final answer
    x = 4,252.41

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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.