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Finding the Fourth Proportional to 14,477.26, 19,979.04 and 8,189.50

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Solution

The fourth proportional to 14,477.26, 19,979.04 and 8,189.50 is: 11,301.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,477.26 : 19,979.04 = 8,189.50 : x
  2. Step 2: Convert to fraction form
    14,477.26/19,979.04 = 8,189.50/x
  3. Step 3: Cross multiply
    14,477.26x = 19,979.04 × 8,189.50
  4. Step 4: Simplify right side
    14,477.26x = 163,618,348.08
  5. Step 5: Solve for x
    x = 163,618,348.08/14,477.26
  6. Step 6: Final answer
    x = 11,301.75

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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.