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Finding the Fourth Proportional to 33,920.80, 46,849.02 and 23,147.22

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Solution

The fourth proportional to 33,920.80, 46,849.02 and 23,147.22 is: 31,969.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,920.80 : 46,849.02 = 23,147.22 : x
  2. Step 2: Convert to fraction form
    33,920.80/46,849.02 = 23,147.22/x
  3. Step 3: Cross multiply
    33,920.80x = 46,849.02 × 23,147.22
  4. Step 4: Simplify right side
    33,920.80x = 1,084,424,572.72
  5. Step 5: Solve for x
    x = 1,084,424,572.72/33,920.80
  6. Step 6: Final answer
    x = 31,969.31

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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.