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Finding the Fourth Proportional to 33,410.40, 46,105.20 and 18,506.40

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Solution

The fourth proportional to 33,410.40, 46,105.20 and 18,506.40 is: 25,538.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,410.40 : 46,105.20 = 18,506.40 : x
  2. Step 2: Convert to fraction form
    33,410.40/46,105.20 = 18,506.40/x
  3. Step 3: Cross multiply
    33,410.40x = 46,105.20 × 18,506.40
  4. Step 4: Simplify right side
    33,410.40x = 853,241,273.28
  5. Step 5: Solve for x
    x = 853,241,273.28/33,410.40
  6. Step 6: Final answer
    x = 25,538.19

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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.