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Finding the Fourth Proportional to 6,680.64, 10,021.92 and 2,064

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Solution

The fourth proportional to 6,680.64, 10,021.92 and 2,064 is: 3,096.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,680.64 : 10,021.92 = 2,064 : x
  2. Step 2: Convert to fraction form
    6,680.64/10,021.92 = 2,064/x
  3. Step 3: Cross multiply
    6,680.64x = 10,021.92 × 2,064
  4. Step 4: Simplify right side
    6,680.64x = 20,685,242.88
  5. Step 5: Solve for x
    x = 20,685,242.88/6,680.64
  6. Step 6: Final answer
    x = 3,096.30

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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.