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Finding the Fourth Proportional to 18,082.10, 27,127.20 and 5,602.70

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Solution

The fourth proportional to 18,082.10, 27,127.20 and 5,602.70 is: 8,405.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,082.10 : 27,127.20 = 5,602.70 : x
  2. Step 2: Convert to fraction form
    18,082.10/27,127.20 = 5,602.70/x
  3. Step 3: Cross multiply
    18,082.10x = 27,127.20 × 5,602.70
  4. Step 4: Simplify right side
    18,082.10x = 151,985,563.44
  5. Step 5: Solve for x
    x = 151,985,563.44/18,082.10
  6. Step 6: Final answer
    x = 8,405.30

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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.