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Finding the Fourth Proportional to 17,994.25, 26,999.19 and 9,664.57

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Solution

The fourth proportional to 17,994.25, 26,999.19 and 9,664.57 is: 14,501.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,994.25 : 26,999.19 = 9,664.57 : x
  2. Step 2: Convert to fraction form
    17,994.25/26,999.19 = 9,664.57/x
  3. Step 3: Cross multiply
    17,994.25x = 26,999.19 × 9,664.57
  4. Step 4: Simplify right side
    17,994.25x = 260,935,561.70
  5. Step 5: Solve for x
    x = 260,935,561.70/17,994.25
  6. Step 6: Final answer
    x = 14,501.05

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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.