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Finding the Fourth Proportional to 7,343.56, 11,015.20 and 2,960.92

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Solution

The fourth proportional to 7,343.56, 11,015.20 and 2,960.92 is: 4,441.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,343.56 : 11,015.20 = 2,960.92 : x
  2. Step 2: Convert to fraction form
    7,343.56/11,015.20 = 2,960.92/x
  3. Step 3: Cross multiply
    7,343.56x = 11,015.20 × 2,960.92
  4. Step 4: Simplify right side
    7,343.56x = 32,615,125.98
  5. Step 5: Solve for x
    x = 32,615,125.98/7,343.56
  6. Step 6: Final answer
    x = 4,441.32

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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.