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Finding the Fourth Proportional to 36,493.84, 54,740.76 and 8,791.84

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Solution

The fourth proportional to 36,493.84, 54,740.76 and 8,791.84 is: 13,187.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,493.84 : 54,740.76 = 8,791.84 : x
  2. Step 2: Convert to fraction form
    36,493.84/54,740.76 = 8,791.84/x
  3. Step 3: Cross multiply
    36,493.84x = 54,740.76 × 8,791.84
  4. Step 4: Simplify right side
    36,493.84x = 481,271,685.74
  5. Step 5: Solve for x
    x = 481,271,685.74/36,493.84
  6. Step 6: Final answer
    x = 13,187.75

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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.