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Finding the Fourth Proportional to 36,645.84, 54,968.89 and 8,943.84

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Solution

The fourth proportional to 36,645.84, 54,968.89 and 8,943.84 is: 13,415.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,645.84 : 54,968.89 = 8,943.84 : x
  2. Step 2: Convert to fraction form
    36,645.84/54,968.89 = 8,943.84/x
  3. Step 3: Cross multiply
    36,645.84x = 54,968.89 × 8,943.84
  4. Step 4: Simplify right side
    36,645.84x = 491,632,957.14
  5. Step 5: Solve for x
    x = 491,632,957.14/36,645.84
  6. Step 6: Final answer
    x = 13,415.79

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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.