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Finding the Fourth Proportional to 14,776.53, 20,388.83 and 8,808.76

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Solution

The fourth proportional to 14,776.53, 20,388.83 and 8,808.76 is: 12,154.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,776.53 : 20,388.83 = 8,808.76 : x
  2. Step 2: Convert to fraction form
    14,776.53/20,388.83 = 8,808.76/x
  3. Step 3: Cross multiply
    14,776.53x = 20,388.83 × 8,808.76
  4. Step 4: Simplify right side
    14,776.53x = 179,600,310.15
  5. Step 5: Solve for x
    x = 179,600,310.15/14,776.53
  6. Step 6: Final answer
    x = 12,154.43

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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.