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Finding the Fourth Proportional to 4,885.56, 7,343.10 and 3,719.16

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Solution

The fourth proportional to 4,885.56, 7,343.10 and 3,719.16 is: 5,589.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,885.56 : 7,343.10 = 3,719.16 : x
  2. Step 2: Convert to fraction form
    4,885.56/7,343.10 = 3,719.16/x
  3. Step 3: Cross multiply
    4,885.56x = 7,343.10 × 3,719.16
  4. Step 4: Simplify right side
    4,885.56x = 27,310,163.80
  5. Step 5: Solve for x
    x = 27,310,163.80/4,885.56
  6. Step 6: Final answer
    x = 5,589.98

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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.