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Finding the Fourth Proportional to 7,273.17, 10,908.95 and 2,079.05

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Solution

The fourth proportional to 7,273.17, 10,908.95 and 2,079.05 is: 3,118.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,273.17 : 10,908.95 = 2,079.05 : x
  2. Step 2: Convert to fraction form
    7,273.17/10,908.95 = 2,079.05/x
  3. Step 3: Cross multiply
    7,273.17x = 10,908.95 × 2,079.05
  4. Step 4: Simplify right side
    7,273.17x = 22,680,187.56
  5. Step 5: Solve for x
    x = 22,680,187.56/7,273.17
  6. Step 6: Final answer
    x = 3,118.34

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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.