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Finding the Fourth Proportional to 33,409.60, 46,105.12 and 18,505.60

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Solution

The fourth proportional to 33,409.60, 46,105.12 and 18,505.60 is: 25,537.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,409.60 : 46,105.12 = 18,505.60 : x
  2. Step 2: Convert to fraction form
    33,409.60/46,105.12 = 18,505.60/x
  3. Step 3: Cross multiply
    33,409.60x = 46,105.12 × 18,505.60
  4. Step 4: Simplify right side
    33,409.60x = 853,202,908.67
  5. Step 5: Solve for x
    x = 853,202,908.67/33,409.60
  6. Step 6: Final answer
    x = 25,537.66

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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.