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Finding the Fourth Proportional to 6,426.88, 8,874.12 and 4,932.43

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Solution

The fourth proportional to 6,426.88, 8,874.12 and 4,932.43 is: 6,810.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,426.88 : 8,874.12 = 4,932.43 : x
  2. Step 2: Convert to fraction form
    6,426.88/8,874.12 = 4,932.43/x
  3. Step 3: Cross multiply
    6,426.88x = 8,874.12 × 4,932.43
  4. Step 4: Simplify right side
    6,426.88x = 43,770,975.71
  5. Step 5: Solve for x
    x = 43,770,975.71/6,426.88
  6. Step 6: Final answer
    x = 6,810.61

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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.