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Finding the Fourth Proportional to 7,173, 10,760.46 and 3,069.96

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Solution

The fourth proportional to 7,173, 10,760.46 and 3,069.96 is: 4,605.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,173 : 10,760.46 = 3,069.96 : x
  2. Step 2: Convert to fraction form
    7,173/10,760.46 = 3,069.96/x
  3. Step 3: Cross multiply
    7,173x = 10,760.46 × 3,069.96
  4. Step 4: Simplify right side
    7,173x = 33,034,181.78
  5. Step 5: Solve for x
    x = 33,034,181.78/7,173
  6. Step 6: Final answer
    x = 4,605.35

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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.