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Finding the Fourth Proportional to 34,714.55, 47,906.10 and 18,799.01

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Solution

The fourth proportional to 34,714.55, 47,906.10 and 18,799.01 is: 25,942.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,714.55 : 47,906.10 = 18,799.01 : x
  2. Step 2: Convert to fraction form
    34,714.55/47,906.10 = 18,799.01/x
  3. Step 3: Cross multiply
    34,714.55x = 47,906.10 × 18,799.01
  4. Step 4: Simplify right side
    34,714.55x = 900,587,013.43
  5. Step 5: Solve for x
    x = 900,587,013.43/34,714.55
  6. Step 6: Final answer
    x = 25,942.64

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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.