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Finding the Fourth Proportional to 45,698.70, 68,450.84 and 26,958.54

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Solution

The fourth proportional to 45,698.70, 68,450.84 and 26,958.54 is: 40,380.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,698.70 : 68,450.84 = 26,958.54 : x
  2. Step 2: Convert to fraction form
    45,698.70/68,450.84 = 26,958.54/x
  3. Step 3: Cross multiply
    45,698.70x = 68,450.84 × 26,958.54
  4. Step 4: Simplify right side
    45,698.70x = 1,845,334,433.32
  5. Step 5: Solve for x
    x = 1,845,334,433.32/45,698.70
  6. Step 6: Final answer
    x = 40,380.46

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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.