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Finding the Fourth Proportional to 18,901.46, 26,082.48 and 10,944.19

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Solution

The fourth proportional to 18,901.46, 26,082.48 and 10,944.19 is: 15,102.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,901.46 : 26,082.48 = 10,944.19 : x
  2. Step 2: Convert to fraction form
    18,901.46/26,082.48 = 10,944.19/x
  3. Step 3: Cross multiply
    18,901.46x = 26,082.48 × 10,944.19
  4. Step 4: Simplify right side
    18,901.46x = 285,451,690.44
  5. Step 5: Solve for x
    x = 285,451,690.44/18,901.46
  6. Step 6: Final answer
    x = 15,102.10

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Half scale
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Double scale
Find fourth proportional to 18,902.46, 26,083.86 and 10,945.19
Similar ratio
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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.