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Finding the Fourth Proportional to 17,264.74, 23,838.74 and 13,481.34

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Solution

The fourth proportional to 17,264.74, 23,838.74 and 13,481.34 is: 18,614.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,264.74 : 23,838.74 = 13,481.34 : x
  2. Step 2: Convert to fraction form
    17,264.74/23,838.74 = 13,481.34/x
  3. Step 3: Cross multiply
    17,264.74x = 23,838.74 × 13,481.34
  4. Step 4: Simplify right side
    17,264.74x = 321,378,159.11
  5. Step 5: Solve for x
    x = 321,378,159.11/17,264.74
  6. Step 6: Final answer
    x = 18,614.71

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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.