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Finding the Fourth Proportional to 17,955.05, 26,936.44 and 8,954.08

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Solution

The fourth proportional to 17,955.05, 26,936.44 and 8,954.08 is: 13,433.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,955.05 : 26,936.44 = 8,954.08 : x
  2. Step 2: Convert to fraction form
    17,955.05/26,936.44 = 8,954.08/x
  3. Step 3: Cross multiply
    17,955.05x = 26,936.44 × 8,954.08
  4. Step 4: Simplify right side
    17,955.05x = 241,190,948.95
  5. Step 5: Solve for x
    x = 241,190,948.95/17,955.05
  6. Step 6: Final answer
    x = 13,433.05

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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.