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Finding the Fourth Proportional to 8,995.33, 13,494.56 and 2,755.20

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Solution

The fourth proportional to 8,995.33, 13,494.56 and 2,755.20 is: 4,133.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,995.33 : 13,494.56 = 2,755.20 : x
  2. Step 2: Convert to fraction form
    8,995.33/13,494.56 = 2,755.20/x
  3. Step 3: Cross multiply
    8,995.33x = 13,494.56 × 2,755.20
  4. Step 4: Simplify right side
    8,995.33x = 37,180,130.46
  5. Step 5: Solve for x
    x = 37,180,130.46/8,995.33
  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.