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Finding the Fourth Proportional to 6,145, 9,217.50 and 2,041

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Solution

The fourth proportional to 6,145, 9,217.50 and 2,041 is: 3,061.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,145 : 9,217.50 = 2,041 : x
  2. Step 2: Convert to fraction form
    6,145/9,217.50 = 2,041/x
  3. Step 3: Cross multiply
    6,145x = 9,217.50 × 2,041
  4. Step 4: Simplify right side
    6,145x = 18,812,917.50
  5. Step 5: Solve for x
    x = 18,812,917.50/6,145
  6. Step 6: Final answer
    x = 3,061.50

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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.