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Finding the Fourth Proportional to 4,999.73, 6,899.18 and 2,761.56

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Solution

The fourth proportional to 4,999.73, 6,899.18 and 2,761.56 is: 3,810.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,999.73 : 6,899.18 = 2,761.56 : x
  2. Step 2: Convert to fraction form
    4,999.73/6,899.18 = 2,761.56/x
  3. Step 3: Cross multiply
    4,999.73x = 6,899.18 × 2,761.56
  4. Step 4: Simplify right side
    4,999.73x = 19,052,485.71
  5. Step 5: Solve for x
    x = 19,052,485.71/4,999.73
  6. Step 6: Final answer
    x = 3,810.71

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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.