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Finding the Fourth Proportional to 33,800.70, 46,649.28 and 19,650.81

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Solution

The fourth proportional to 33,800.70, 46,649.28 and 19,650.81 is: 27,120.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,800.70 : 46,649.28 = 19,650.81 : x
  2. Step 2: Convert to fraction form
    33,800.70/46,649.28 = 19,650.81/x
  3. Step 3: Cross multiply
    33,800.70x = 46,649.28 × 19,650.81
  4. Step 4: Simplify right side
    33,800.70x = 916,696,137.92
  5. Step 5: Solve for x
    x = 916,696,137.92/33,800.70
  6. Step 6: Final answer
    x = 27,120.63

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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.