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Finding the Fourth Proportional to 7,343.44, 10,133.93 and 3,986.22

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Solution

The fourth proportional to 7,343.44, 10,133.93 and 3,986.22 is: 5,500.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,343.44 : 10,133.93 = 3,986.22 : x
  2. Step 2: Convert to fraction form
    7,343.44/10,133.93 = 3,986.22/x
  3. Step 3: Cross multiply
    7,343.44x = 10,133.93 × 3,986.22
  4. Step 4: Simplify right side
    7,343.44x = 40,396,122.41
  5. Step 5: Solve for x
    x = 40,396,122.41/7,343.44
  6. Step 6: Final answer
    x = 5,500.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.