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Finding the Fourth Proportional to 18,465.94, 25,481.82 and 10,082.44

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Solution

The fourth proportional to 18,465.94, 25,481.82 and 10,082.44 is: 13,913.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,465.94 : 25,481.82 = 10,082.44 : x
  2. Step 2: Convert to fraction form
    18,465.94/25,481.82 = 10,082.44/x
  3. Step 3: Cross multiply
    18,465.94x = 25,481.82 × 10,082.44
  4. Step 4: Simplify right side
    18,465.94x = 256,918,921.24
  5. Step 5: Solve for x
    x = 256,918,921.24/18,465.94
  6. Step 6: Final answer
    x = 13,913.12

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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.