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Finding the Fourth Proportional to 7,343.92, 11,014.87 and 2,079.33

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Solution

The fourth proportional to 7,343.92, 11,014.87 and 2,079.33 is: 3,118.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,343.92 : 11,014.87 = 2,079.33 : x
  2. Step 2: Convert to fraction form
    7,343.92/11,014.87 = 2,079.33/x
  3. Step 3: Cross multiply
    7,343.92x = 11,014.87 × 2,079.33
  4. Step 4: Simplify right side
    7,343.92x = 22,903,549.64
  5. Step 5: Solve for x
    x = 22,903,549.64/7,343.92
  6. Step 6: Final answer
    x = 3,118.71

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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.