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Finding the Fourth Proportional to 20,427.41, 30,598.02 and 9,343.41

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Solution

The fourth proportional to 20,427.41, 30,598.02 and 9,343.41 is: 13,995.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,427.41 : 30,598.02 = 9,343.41 : x
  2. Step 2: Convert to fraction form
    20,427.41/30,598.02 = 9,343.41/x
  3. Step 3: Cross multiply
    20,427.41x = 30,598.02 × 9,343.41
  4. Step 4: Simplify right side
    20,427.41x = 285,889,846.05
  5. Step 5: Solve for x
    x = 285,889,846.05/20,427.41
  6. Step 6: Final answer
    x = 13,995.40

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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.