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Finding the Fourth Proportional to 14,652.45, 20,219.08 and 8,683.11

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Solution

The fourth proportional to 14,652.45, 20,219.08 and 8,683.11 is: 11,981.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,652.45 : 20,219.08 = 8,683.11 : x
  2. Step 2: Convert to fraction form
    14,652.45/20,219.08 = 8,683.11/x
  3. Step 3: Cross multiply
    14,652.45x = 20,219.08 × 8,683.11
  4. Step 4: Simplify right side
    14,652.45x = 175,564,495.74
  5. Step 5: Solve for x
    x = 175,564,495.74/14,652.45
  6. Step 6: Final answer
    x = 11,981.92

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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.