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Finding the Fourth Proportional to 6,333.16, 8,733.92 and 3,940.06

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Solution

The fourth proportional to 6,333.16, 8,733.92 and 3,940.06 is: 5,433.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,333.16 : 8,733.92 = 3,940.06 : x
  2. Step 2: Convert to fraction form
    6,333.16/8,733.92 = 3,940.06/x
  3. Step 3: Cross multiply
    6,333.16x = 8,733.92 × 3,940.06
  4. Step 4: Simplify right side
    6,333.16x = 34,412,168.84
  5. Step 5: Solve for x
    x = 34,412,168.84/6,333.16
  6. Step 6: Final answer
    x = 5,433.65

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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.