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Finding the Fourth Proportional to 33,920.48, 46,809.96 and 19,016.48

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Solution

The fourth proportional to 33,920.48, 46,809.96 and 19,016.48 is: 26,242.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,920.48 : 46,809.96 = 19,016.48 : x
  2. Step 2: Convert to fraction form
    33,920.48/46,809.96 = 19,016.48/x
  3. Step 3: Cross multiply
    33,920.48x = 46,809.96 × 19,016.48
  4. Step 4: Simplify right side
    33,920.48x = 890,160,668.14
  5. Step 5: Solve for x
    x = 890,160,668.14/33,920.48
  6. Step 6: Final answer
    x = 26,242.57

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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.