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Finding the Fourth Proportional to 33,100.08, 45,674.04 and 19,671.60

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Solution

The fourth proportional to 33,100.08, 45,674.04 and 19,671.60 is: 27,144.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,100.08 : 45,674.04 = 19,671.60 : x
  2. Step 2: Convert to fraction form
    33,100.08/45,674.04 = 19,671.60/x
  3. Step 3: Cross multiply
    33,100.08x = 45,674.04 × 19,671.60
  4. Step 4: Simplify right side
    33,100.08x = 898,481,445.26
  5. Step 5: Solve for x
    x = 898,481,445.26/33,100.08
  6. Step 6: Final answer
    x = 27,144.39

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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.