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Finding the Fourth Proportional to 33,551, 46,288.58 and 20,126.60

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Solution

The fourth proportional to 33,551, 46,288.58 and 20,126.60 is: 27,767.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,551 : 46,288.58 = 20,126.60 : x
  2. Step 2: Convert to fraction form
    33,551/46,288.58 = 20,126.60/x
  3. Step 3: Cross multiply
    33,551x = 46,288.58 × 20,126.60
  4. Step 4: Simplify right side
    33,551x = 931,631,734.23
  5. Step 5: Solve for x
    x = 931,631,734.23/33,551
  6. Step 6: Final answer
    x = 27,767.63

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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.