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Finding the Fourth Proportional to 25,926.44, 38,891.58 and 7,459.88

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Solution

The fourth proportional to 25,926.44, 38,891.58 and 7,459.88 is: 11,190.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,926.44 : 38,891.58 = 7,459.88 : x
  2. Step 2: Convert to fraction form
    25,926.44/38,891.58 = 7,459.88/x
  3. Step 3: Cross multiply
    25,926.44x = 38,891.58 × 7,459.88
  4. Step 4: Simplify right side
    25,926.44x = 290,126,519.81
  5. Step 5: Solve for x
    x = 290,126,519.81/25,926.44
  6. Step 6: Final answer
    x = 11,190.37

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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.