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Finding the Fourth Proportional to 18,565.18, 25,620.01 and 10,067.30

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Solution

The fourth proportional to 18,565.18, 25,620.01 and 10,067.30 is: 13,892.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,565.18 : 25,620.01 = 10,067.30 : x
  2. Step 2: Convert to fraction form
    18,565.18/25,620.01 = 10,067.30/x
  3. Step 3: Cross multiply
    18,565.18x = 25,620.01 × 10,067.30
  4. Step 4: Simplify right side
    18,565.18x = 257,924,148.24
  5. Step 5: Solve for x
    x = 257,924,148.24/18,565.18
  6. Step 6: Final answer
    x = 13,892.90

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.