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Finding the Fourth Proportional to 6,261.54, 8,680.46 and 5,928.63

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Solution

The fourth proportional to 6,261.54, 8,680.46 and 5,928.63 is: 8,218.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,261.54 : 8,680.46 = 5,928.63 : x
  2. Step 2: Convert to fraction form
    6,261.54/8,680.46 = 5,928.63/x
  3. Step 3: Cross multiply
    6,261.54x = 8,680.46 × 5,928.63
  4. Step 4: Simplify right side
    6,261.54x = 51,463,205.93
  5. Step 5: Solve for x
    x = 51,463,205.93/6,261.54
  6. Step 6: Final answer
    x = 8,218.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.