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Finding the Fourth Proportional to 14,357.05, 19,811.33 and 8,069.29

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Solution

The fourth proportional to 14,357.05, 19,811.33 and 8,069.29 is: 11,134.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,357.05 : 19,811.33 = 8,069.29 : x
  2. Step 2: Convert to fraction form
    14,357.05/19,811.33 = 8,069.29/x
  3. Step 3: Cross multiply
    14,357.05x = 19,811.33 × 8,069.29
  4. Step 4: Simplify right side
    14,357.05x = 159,863,326.71
  5. Step 5: Solve for x
    x = 159,863,326.71/14,357.05
  6. Step 6: Final answer
    x = 11,134.83

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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.