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Finding the Fourth Proportional to 17,996.43, 26,994.64 and 9,664.98

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Solution

The fourth proportional to 17,996.43, 26,994.64 and 9,664.98 is: 14,497.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,996.43 : 26,994.64 = 9,664.98 : x
  2. Step 2: Convert to fraction form
    17,996.43/26,994.64 = 9,664.98/x
  3. Step 3: Cross multiply
    17,996.43x = 26,994.64 × 9,664.98
  4. Step 4: Simplify right side
    17,996.43x = 260,902,655.71
  5. Step 5: Solve for x
    x = 260,902,655.71/17,996.43
  6. Step 6: Final answer
    x = 14,497.47

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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.