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Finding the Fourth Proportional to 6,384, 9,576.56 and 1,767.04

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Solution

The fourth proportional to 6,384, 9,576.56 and 1,767.04 is: 2,650.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,384 : 9,576.56 = 1,767.04 : x
  2. Step 2: Convert to fraction form
    6,384/9,576.56 = 1,767.04/x
  3. Step 3: Cross multiply
    6,384x = 9,576.56 × 1,767.04
  4. Step 4: Simplify right side
    6,384x = 16,922,164.58
  5. Step 5: Solve for x
    x = 16,922,164.58/6,384
  6. Step 6: Final answer
    x = 2,650.72

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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.