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Finding the Fourth Proportional to 17,969.99, 26,954.37 and 5,489.51

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Solution

The fourth proportional to 17,969.99, 26,954.37 and 5,489.51 is: 8,234.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,969.99 : 26,954.37 = 5,489.51 : x
  2. Step 2: Convert to fraction form
    17,969.99/26,954.37 = 5,489.51/x
  3. Step 3: Cross multiply
    17,969.99x = 26,954.37 × 5,489.51
  4. Step 4: Simplify right side
    17,969.99x = 147,966,283.66
  5. Step 5: Solve for x
    x = 147,966,283.66/17,969.99
  6. Step 6: Final answer
    x = 8,234.08

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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.