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Finding the Fourth Proportional to 5,999.72, 8,274.21 and 3,761.82

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Solution

The fourth proportional to 5,999.72, 8,274.21 and 3,761.82 is: 5,187.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,999.72 : 8,274.21 = 3,761.82 : x
  2. Step 2: Convert to fraction form
    5,999.72/8,274.21 = 3,761.82/x
  3. Step 3: Cross multiply
    5,999.72x = 8,274.21 × 3,761.82
  4. Step 4: Simplify right side
    5,999.72x = 31,126,088.66
  5. Step 5: Solve for x
    x = 31,126,088.66/5,999.72
  6. Step 6: Final answer
    x = 5,187.93

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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.