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Finding the Fourth Proportional to 6,941.08, 9,576.34 and 3,954.80

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Solution

The fourth proportional to 6,941.08, 9,576.34 and 3,954.80 is: 5,456.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,941.08 : 9,576.34 = 3,954.80 : x
  2. Step 2: Convert to fraction form
    6,941.08/9,576.34 = 3,954.80/x
  3. Step 3: Cross multiply
    6,941.08x = 9,576.34 × 3,954.80
  4. Step 4: Simplify right side
    6,941.08x = 37,872,509.43
  5. Step 5: Solve for x
    x = 37,872,509.43/6,941.08
  6. Step 6: Final answer
    x = 5,456.28

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1.5x scale

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.