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Finding the Fourth Proportional to 7,173.32, 10,760.02 and 3,275

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Solution

The fourth proportional to 7,173.32, 10,760.02 and 3,275 is: 4,912.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,173.32 : 10,760.02 = 3,275 : x
  2. Step 2: Convert to fraction form
    7,173.32/10,760.02 = 3,275/x
  3. Step 3: Cross multiply
    7,173.32x = 10,760.02 × 3,275
  4. Step 4: Simplify right side
    7,173.32x = 35,239,065.50
  5. Step 5: Solve for x
    x = 35,239,065.50/7,173.32
  6. Step 6: Final answer
    x = 4,912.52

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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.