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Finding the Fourth Proportional to 33,348.80, 46,015.71 and 20,604.06

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Solution

The fourth proportional to 33,348.80, 46,015.71 and 20,604.06 is: 28,430.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,348.80 : 46,015.71 = 20,604.06 : x
  2. Step 2: Convert to fraction form
    33,348.80/46,015.71 = 20,604.06/x
  3. Step 3: Cross multiply
    33,348.80x = 46,015.71 × 20,604.06
  4. Step 4: Simplify right side
    33,348.80x = 948,110,449.78
  5. Step 5: Solve for x
    x = 948,110,449.78/33,348.80
  6. Step 6: Final answer
    x = 28,430.12

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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.