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Finding the Fourth Proportional to 25,987.91, 38,958.44 and 9,344.03

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Solution

The fourth proportional to 25,987.91, 38,958.44 and 9,344.03 is: 14,007.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,987.91 : 38,958.44 = 9,344.03 : x
  2. Step 2: Convert to fraction form
    25,987.91/38,958.44 = 9,344.03/x
  3. Step 3: Cross multiply
    25,987.91x = 38,958.44 × 9,344.03
  4. Step 4: Simplify right side
    25,987.91x = 364,028,590.60
  5. Step 5: Solve for x
    x = 364,028,590.60/25,987.91
  6. Step 6: Final answer
    x = 14,007.62

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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.