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Finding the Fourth Proportional to 34,940.56, 48,219.18 and 19,025.28

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Solution

The fourth proportional to 34,940.56, 48,219.18 and 19,025.28 is: 26,255.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,940.56 : 48,219.18 = 19,025.28 : x
  2. Step 2: Convert to fraction form
    34,940.56/48,219.18 = 19,025.28/x
  3. Step 3: Cross multiply
    34,940.56x = 48,219.18 × 19,025.28
  4. Step 4: Simplify right side
    34,940.56x = 917,383,400.87
  5. Step 5: Solve for x
    x = 917,383,400.87/34,940.56
  6. Step 6: Final answer
    x = 26,255.54

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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.