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Finding the Fourth Proportional to 27,671.01, 38,186.01 and 15,735.09

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Solution

The fourth proportional to 27,671.01, 38,186.01 and 15,735.09 is: 21,714.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,671.01 : 38,186.01 = 15,735.09 : x
  2. Step 2: Convert to fraction form
    27,671.01/38,186.01 = 15,735.09/x
  3. Step 3: Cross multiply
    27,671.01x = 38,186.01 × 15,735.09
  4. Step 4: Simplify right side
    27,671.01x = 600,860,304.09
  5. Step 5: Solve for x
    x = 600,860,304.09/27,671.01
  6. Step 6: Final answer
    x = 21,714.43

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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.