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Finding the Fourth Proportional to 33,999.68, 46,900.01 and 21,230.69

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Solution

The fourth proportional to 33,999.68, 46,900.01 and 21,230.69 is: 29,286.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,999.68 : 46,900.01 = 21,230.69 : x
  2. Step 2: Convert to fraction form
    33,999.68/46,900.01 = 21,230.69/x
  3. Step 3: Cross multiply
    33,999.68x = 46,900.01 × 21,230.69
  4. Step 4: Simplify right side
    33,999.68x = 995,719,573.31
  5. Step 5: Solve for x
    x = 995,719,573.31/33,999.68
  6. Step 6: Final answer
    x = 29,286.15

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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.