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Finding the Fourth Proportional to 2,967.10, 4,095.17 and 1,889.67

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Solution

The fourth proportional to 2,967.10, 4,095.17 and 1,889.67 is: 2,608.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,967.10 : 4,095.17 = 1,889.67 : x
  2. Step 2: Convert to fraction form
    2,967.10/4,095.17 = 1,889.67/x
  3. Step 3: Cross multiply
    2,967.10x = 4,095.17 × 1,889.67
  4. Step 4: Simplify right side
    2,967.10x = 7,738,519.89
  5. Step 5: Solve for x
    x = 7,738,519.89/2,967.10
  6. Step 6: Final answer
    x = 2,608.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.