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Finding the Fourth Proportional to 33,144.53, 49,716.90 and 8,184.58

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Solution

The fourth proportional to 33,144.53, 49,716.90 and 8,184.58 is: 12,276.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,144.53 : 49,716.90 = 8,184.58 : x
  2. Step 2: Convert to fraction form
    33,144.53/49,716.90 = 8,184.58/x
  3. Step 3: Cross multiply
    33,144.53x = 49,716.90 × 8,184.58
  4. Step 4: Simplify right side
    33,144.53x = 406,911,945.40
  5. Step 5: Solve for x
    x = 406,911,945.40/33,144.53
  6. Step 6: Final answer
    x = 12,276.90

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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.