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Finding the Fourth Proportional to 19,619.30, 27,062.49 and 17,107.44

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Solution

The fourth proportional to 19,619.30, 27,062.49 and 17,107.44 is: 23,597.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,619.30 : 27,062.49 = 17,107.44 : x
  2. Step 2: Convert to fraction form
    19,619.30/27,062.49 = 17,107.44/x
  3. Step 3: Cross multiply
    19,619.30x = 27,062.49 × 17,107.44
  4. Step 4: Simplify right side
    19,619.30x = 462,969,838.39
  5. Step 5: Solve for x
    x = 462,969,838.39/19,619.30
  6. Step 6: Final answer
    x = 23,597.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.