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Finding the Fourth Proportional to 33,406.68, 46,103.84 and 19,063.20

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Solution

The fourth proportional to 33,406.68, 46,103.84 and 19,063.20 is: 26,308.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,406.68 : 46,103.84 = 19,063.20 : x
  2. Step 2: Convert to fraction form
    33,406.68/46,103.84 = 19,063.20/x
  3. Step 3: Cross multiply
    33,406.68x = 46,103.84 × 19,063.20
  4. Step 4: Simplify right side
    33,406.68x = 878,886,722.69
  5. Step 5: Solve for x
    x = 878,886,722.69/33,406.68
  6. Step 6: Final answer
    x = 26,308.71

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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.