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Finding the Fourth Proportional to 19,495.92, 26,889.18 and 17,907.48

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Solution

The fourth proportional to 19,495.92, 26,889.18 and 17,907.48 is: 24,698.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,495.92 : 26,889.18 = 17,907.48 : x
  2. Step 2: Convert to fraction form
    19,495.92/26,889.18 = 17,907.48/x
  3. Step 3: Cross multiply
    19,495.92x = 26,889.18 × 17,907.48
  4. Step 4: Simplify right side
    19,495.92x = 481,517,453.07
  5. Step 5: Solve for x
    x = 481,517,453.07/19,495.92
  6. Step 6: Final answer
    x = 24,698.37

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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.