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Finding the Fourth Proportional to 19,205.16, 26,509.68 and 11,249.92

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Solution

The fourth proportional to 19,205.16, 26,509.68 and 11,249.92 is: 15,528.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,205.16 : 26,509.68 = 11,249.92 : x
  2. Step 2: Convert to fraction form
    19,205.16/26,509.68 = 11,249.92/x
  3. Step 3: Cross multiply
    19,205.16x = 26,509.68 × 11,249.92
  4. Step 4: Simplify right side
    19,205.16x = 298,231,779.23
  5. Step 5: Solve for x
    x = 298,231,779.23/19,205.16
  6. Step 6: Final answer
    x = 15,528.73

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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.