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Finding the Fourth Proportional to 6,878.63, 10,318.08 and 2,261.63

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Solution

The fourth proportional to 6,878.63, 10,318.08 and 2,261.63 is: 3,392.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,878.63 : 10,318.08 = 2,261.63 : x
  2. Step 2: Convert to fraction form
    6,878.63/10,318.08 = 2,261.63/x
  3. Step 3: Cross multiply
    6,878.63x = 10,318.08 × 2,261.63
  4. Step 4: Simplify right side
    6,878.63x = 23,335,627.68
  5. Step 5: Solve for x
    x = 23,335,627.68/6,878.63
  6. Step 6: Final answer
    x = 3,392.48

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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.