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Finding the Fourth Proportional to 18,481.07, 27,714.50 and 14,540.07

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Solution

The fourth proportional to 18,481.07, 27,714.50 and 14,540.07 is: 21,804.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,481.07 : 27,714.50 = 14,540.07 : x
  2. Step 2: Convert to fraction form
    18,481.07/27,714.50 = 14,540.07/x
  3. Step 3: Cross multiply
    18,481.07x = 27,714.50 × 14,540.07
  4. Step 4: Simplify right side
    18,481.07x = 402,970,703.72
  5. Step 5: Solve for x
    x = 402,970,703.72/18,481.07
  6. Step 6: Final answer
    x = 21,804.51

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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.