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Finding the Fourth Proportional to 7,846.44, 11,771.18 and 2,652.68

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Solution

The fourth proportional to 7,846.44, 11,771.18 and 2,652.68 is: 3,979.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,846.44 : 11,771.18 = 2,652.68 : x
  2. Step 2: Convert to fraction form
    7,846.44/11,771.18 = 2,652.68/x
  3. Step 3: Cross multiply
    7,846.44x = 11,771.18 × 2,652.68
  4. Step 4: Simplify right side
    7,846.44x = 31,225,173.76
  5. Step 5: Solve for x
    x = 31,225,173.76/7,846.44
  6. Step 6: Final answer
    x = 3,979.53

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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.