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Finding the Fourth Proportional to 33,919.70, 46,803.57 and 18,809.96

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Solution

The fourth proportional to 33,919.70, 46,803.57 and 18,809.96 is: 25,954.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,919.70 : 46,803.57 = 18,809.96 : x
  2. Step 2: Convert to fraction form
    33,919.70/46,803.57 = 18,809.96/x
  3. Step 3: Cross multiply
    33,919.70x = 46,803.57 × 18,809.96
  4. Step 4: Simplify right side
    33,919.70x = 880,373,080.81
  5. Step 5: Solve for x
    x = 880,373,080.81/33,919.70
  6. Step 6: Final answer
    x = 25,954.63

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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.