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Finding the Fourth Proportional to 7,405.27, 11,108.54 and 2,964.22

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Solution

The fourth proportional to 7,405.27, 11,108.54 and 2,964.22 is: 4,446.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,405.27 : 11,108.54 = 2,964.22 : x
  2. Step 2: Convert to fraction form
    7,405.27/11,108.54 = 2,964.22/x
  3. Step 3: Cross multiply
    7,405.27x = 11,108.54 × 2,964.22
  4. Step 4: Simplify right side
    7,405.27x = 32,928,156.44
  5. Step 5: Solve for x
    x = 32,928,156.44/7,405.27
  6. Step 6: Final answer
    x = 4,446.58

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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.