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Finding the Fourth Proportional to 8,995.40, 13,493.23 and 2,755.49

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Solution

The fourth proportional to 8,995.40, 13,493.23 and 2,755.49 is: 4,133.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,995.40 : 13,493.23 = 2,755.49 : x
  2. Step 2: Convert to fraction form
    8,995.40/13,493.23 = 2,755.49/x
  3. Step 3: Cross multiply
    8,995.40x = 13,493.23 × 2,755.49
  4. Step 4: Simplify right side
    8,995.40x = 37,180,385.98
  5. Step 5: Solve for x
    x = 37,180,385.98/8,995.40
  6. Step 6: Final answer
    x = 4,133.27

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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.