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Finding the Fourth Proportional to 28,096.77, 38,773.69 and 15,350.21

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Solution

The fourth proportional to 28,096.77, 38,773.69 and 15,350.21 is: 21,183.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,096.77 : 38,773.69 = 15,350.21 : x
  2. Step 2: Convert to fraction form
    28,096.77/38,773.69 = 15,350.21/x
  3. Step 3: Cross multiply
    28,096.77x = 38,773.69 × 15,350.21
  4. Step 4: Simplify right side
    28,096.77x = 595,184,197.13
  5. Step 5: Solve for x
    x = 595,184,197.13/28,096.77
  6. Step 6: Final answer
    x = 21,183.36

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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.