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Finding the Fourth Proportional to 17,994.43, 26,991.64 and 9,662.98

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Solution

The fourth proportional to 17,994.43, 26,991.64 and 9,662.98 is: 14,494.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,994.43 : 26,991.64 = 9,662.98 : x
  2. Step 2: Convert to fraction form
    17,994.43/26,991.64 = 9,662.98/x
  3. Step 3: Cross multiply
    17,994.43x = 26,991.64 × 9,662.98
  4. Step 4: Simplify right side
    17,994.43x = 260,819,677.49
  5. Step 5: Solve for x
    x = 260,819,677.49/17,994.43
  6. Step 6: Final answer
    x = 14,494.47

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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.