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Finding the Fourth Proportional to 14,796, 20,419.29 and 8,508.78

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Solution

The fourth proportional to 14,796, 20,419.29 and 8,508.78 is: 11,742.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,796 : 20,419.29 = 8,508.78 : x
  2. Step 2: Convert to fraction form
    14,796/20,419.29 = 8,508.78/x
  3. Step 3: Cross multiply
    14,796x = 20,419.29 × 8,508.78
  4. Step 4: Simplify right side
    14,796x = 173,743,246.37
  5. Step 5: Solve for x
    x = 173,743,246.37/14,796
  6. Step 6: Final answer
    x = 11,742.58

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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.