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Finding the Fourth Proportional to 33,748.40, 50,622.60 and 18,957.80

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Solution

The fourth proportional to 33,748.40, 50,622.60 and 18,957.80 is: 28,436.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,748.40 : 50,622.60 = 18,957.80 : x
  2. Step 2: Convert to fraction form
    33,748.40/50,622.60 = 18,957.80/x
  3. Step 3: Cross multiply
    33,748.40x = 50,622.60 × 18,957.80
  4. Step 4: Simplify right side
    33,748.40x = 959,693,126.28
  5. Step 5: Solve for x
    x = 959,693,126.28/33,748.40
  6. Step 6: Final answer
    x = 28,436.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.