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Finding the Fourth Proportional to 6,393.07, 9,576.84 and 5,079.05

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Solution

The fourth proportional to 6,393.07, 9,576.84 and 5,079.05 is: 7,608.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,393.07 : 9,576.84 = 5,079.05 : x
  2. Step 2: Convert to fraction form
    6,393.07/9,576.84 = 5,079.05/x
  3. Step 3: Cross multiply
    6,393.07x = 9,576.84 × 5,079.05
  4. Step 4: Simplify right side
    6,393.07x = 48,641,256.28
  5. Step 5: Solve for x
    x = 48,641,256.28/6,393.07
  6. Step 6: Final answer
    x = 7,608.43

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1.5x scale

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.