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Finding the Fourth Proportional to 17,127.63, 25,691.06 and 7,893.63

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Solution

The fourth proportional to 17,127.63, 25,691.06 and 7,893.63 is: 11,840.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,127.63 : 25,691.06 = 7,893.63 : x
  2. Step 2: Convert to fraction form
    17,127.63/25,691.06 = 7,893.63/x
  3. Step 3: Cross multiply
    17,127.63x = 25,691.06 × 7,893.63
  4. Step 4: Simplify right side
    17,127.63x = 202,795,682.48
  5. Step 5: Solve for x
    x = 202,795,682.48/17,127.63
  6. Step 6: Final answer
    x = 11,840.27

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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.