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Finding the Fourth Proportional to 19,632.69, 29,449.04 and 9,245.25

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Solution

The fourth proportional to 19,632.69, 29,449.04 and 9,245.25 is: 13,867.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,632.69 : 29,449.04 = 9,245.25 : x
  2. Step 2: Convert to fraction form
    19,632.69/29,449.04 = 9,245.25/x
  3. Step 3: Cross multiply
    19,632.69x = 29,449.04 × 9,245.25
  4. Step 4: Simplify right side
    19,632.69x = 272,263,690.83
  5. Step 5: Solve for x
    x = 272,263,690.83/19,632.69
  6. Step 6: Final answer
    x = 13,867.88

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.