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Finding the Fourth Proportional to 6,275.54, 8,659.94 and 3,623.79

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Solution

The fourth proportional to 6,275.54, 8,659.94 and 3,623.79 is: 5,000.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,275.54 : 8,659.94 = 3,623.79 : x
  2. Step 2: Convert to fraction form
    6,275.54/8,659.94 = 3,623.79/x
  3. Step 3: Cross multiply
    6,275.54x = 8,659.94 × 3,623.79
  4. Step 4: Simplify right side
    6,275.54x = 31,381,785.85
  5. Step 5: Solve for x
    x = 31,381,785.85/6,275.54
  6. Step 6: Final answer
    x = 5,000.66

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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.