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Finding the Fourth Proportional to 10,755.39, 16,133.10 and 2,964.21

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Solution

The fourth proportional to 10,755.39, 16,133.10 and 2,964.21 is: 4,446.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,755.39 : 16,133.10 = 2,964.21 : x
  2. Step 2: Convert to fraction form
    10,755.39/16,133.10 = 2,964.21/x
  3. Step 3: Cross multiply
    10,755.39x = 16,133.10 × 2,964.21
  4. Step 4: Simplify right side
    10,755.39x = 47,821,896.35
  5. Step 5: Solve for x
    x = 47,821,896.35/10,755.39
  6. Step 6: Final answer
    x = 4,446.32

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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.