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Finding the Fourth Proportional to 33,748.60, 50,622.90 and 27,187.60

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Solution

The fourth proportional to 33,748.60, 50,622.90 and 27,187.60 is: 40,781.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,748.60 : 50,622.90 = 27,187.60 : x
  2. Step 2: Convert to fraction form
    33,748.60/50,622.90 = 27,187.60/x
  3. Step 3: Cross multiply
    33,748.60x = 50,622.90 × 27,187.60
  4. Step 4: Simplify right side
    33,748.60x = 1,376,315,156.04
  5. Step 5: Solve for x
    x = 1,376,315,156.04/33,748.60
  6. Step 6: Final answer
    x = 40,781.40

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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.