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Finding the Fourth Proportional to 19,481.52, 26,893.44 and 12,767.52

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Solution

The fourth proportional to 19,481.52, 26,893.44 and 12,767.52 is: 17,625.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,481.52 : 26,893.44 = 12,767.52 : x
  2. Step 2: Convert to fraction form
    19,481.52/26,893.44 = 12,767.52/x
  3. Step 3: Cross multiply
    19,481.52x = 26,893.44 × 12,767.52
  4. Step 4: Simplify right side
    19,481.52x = 343,362,533.07
  5. Step 5: Solve for x
    x = 343,362,533.07/19,481.52
  6. Step 6: Final answer
    x = 17,625.04

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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.