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Finding the Fourth Proportional to 6,880.90, 9,474.06 and 6,072.52

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Solution

The fourth proportional to 6,880.90, 9,474.06 and 6,072.52 is: 8,361.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,880.90 : 9,474.06 = 6,072.52 : x
  2. Step 2: Convert to fraction form
    6,880.90/9,474.06 = 6,072.52/x
  3. Step 3: Cross multiply
    6,880.90x = 9,474.06 × 6,072.52
  4. Step 4: Simplify right side
    6,880.90x = 57,531,418.83
  5. Step 5: Solve for x
    x = 57,531,418.83/6,880.90
  6. Step 6: Final answer
    x = 8,361.03

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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.