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Finding the Fourth Proportional to 7,273.06, 10,910.22 and 3,113.20

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Solution

The fourth proportional to 7,273.06, 10,910.22 and 3,113.20 is: 4,670.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,273.06 : 10,910.22 = 3,113.20 : x
  2. Step 2: Convert to fraction form
    7,273.06/10,910.22 = 3,113.20/x
  3. Step 3: Cross multiply
    7,273.06x = 10,910.22 × 3,113.20
  4. Step 4: Simplify right side
    7,273.06x = 33,965,696.90
  5. Step 5: Solve for x
    x = 33,965,696.90/7,273.06
  6. Step 6: Final answer
    x = 4,670.07

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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.