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Finding the Fourth Proportional to 7,273.93, 10,902.43 and 4,156.12

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Solution

The fourth proportional to 7,273.93, 10,902.43 and 4,156.12 is: 6,229.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,273.93 : 10,902.43 = 4,156.12 : x
  2. Step 2: Convert to fraction form
    7,273.93/10,902.43 = 4,156.12/x
  3. Step 3: Cross multiply
    7,273.93x = 10,902.43 × 4,156.12
  4. Step 4: Simplify right side
    7,273.93x = 45,311,769.73
  5. Step 5: Solve for x
    x = 45,311,769.73/7,273.93
  6. Step 6: Final answer
    x = 6,229.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.