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Finding the Fourth Proportional to 6,376.61, 8,797.46 and 3,723.66

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Solution

The fourth proportional to 6,376.61, 8,797.46 and 3,723.66 is: 5,137.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,376.61 : 8,797.46 = 3,723.66 : x
  2. Step 2: Convert to fraction form
    6,376.61/8,797.46 = 3,723.66/x
  3. Step 3: Cross multiply
    6,376.61x = 8,797.46 × 3,723.66
  4. Step 4: Simplify right side
    6,376.61x = 32,758,731.29
  5. Step 5: Solve for x
    x = 32,758,731.29/6,376.61
  6. Step 6: Final answer
    x = 5,137.33

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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.