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Finding the Fourth Proportional to 17,994.40, 26,991.44 and 4,845.68

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Solution

The fourth proportional to 17,994.40, 26,991.44 and 4,845.68 is: 7,268.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,994.40 : 26,991.44 = 4,845.68 : x
  2. Step 2: Convert to fraction form
    17,994.40/26,991.44 = 4,845.68/x
  3. Step 3: Cross multiply
    17,994.40x = 26,991.44 × 4,845.68
  4. Step 4: Simplify right side
    17,994.40x = 130,791,880.98
  5. Step 5: Solve for x
    x = 130,791,880.98/17,994.40
  6. Step 6: Final answer
    x = 7,268.48

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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.