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Finding the Fourth Proportional to 34,856.87, 48,101.19 and 18,940.97

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Solution

The fourth proportional to 34,856.87, 48,101.19 and 18,940.97 is: 26,137.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,856.87 : 48,101.19 = 18,940.97 : x
  2. Step 2: Convert to fraction form
    34,856.87/48,101.19 = 18,940.97/x
  3. Step 3: Cross multiply
    34,856.87x = 48,101.19 × 18,940.97
  4. Step 4: Simplify right side
    34,856.87x = 911,082,956.25
  5. Step 5: Solve for x
    x = 911,082,956.25/34,856.87
  6. Step 6: Final answer
    x = 26,137.83

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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.