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Finding the Fourth Proportional to 28,716.44, 43,073.44 and 8,994.56

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Solution

The fourth proportional to 28,716.44, 43,073.44 and 8,994.56 is: 13,491.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,716.44 : 43,073.44 = 8,994.56 : x
  2. Step 2: Convert to fraction form
    28,716.44/43,073.44 = 8,994.56/x
  3. Step 3: Cross multiply
    28,716.44x = 43,073.44 × 8,994.56
  4. Step 4: Simplify right side
    28,716.44x = 387,426,640.49
  5. Step 5: Solve for x
    x = 387,426,640.49/28,716.44
  6. Step 6: Final answer
    x = 13,491.46

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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.