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Finding the Fourth Proportional to 7,342.66, 11,014.23 and 2,728.90

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Solution

The fourth proportional to 7,342.66, 11,014.23 and 2,728.90 is: 4,093.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,342.66 : 11,014.23 = 2,728.90 : x
  2. Step 2: Convert to fraction form
    7,342.66/11,014.23 = 2,728.90/x
  3. Step 3: Cross multiply
    7,342.66x = 11,014.23 × 2,728.90
  4. Step 4: Simplify right side
    7,342.66x = 30,056,732.25
  5. Step 5: Solve for x
    x = 30,056,732.25/7,342.66
  6. Step 6: Final answer
    x = 4,093.44

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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.