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Finding the Fourth Proportional to 16,633.85, 22,954.11 and 9,916.01

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Solution

The fourth proportional to 16,633.85, 22,954.11 and 9,916.01 is: 13,683.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,633.85 : 22,954.11 = 9,916.01 : x
  2. Step 2: Convert to fraction form
    16,633.85/22,954.11 = 9,916.01/x
  3. Step 3: Cross multiply
    16,633.85x = 22,954.11 × 9,916.01
  4. Step 4: Simplify right side
    16,633.85x = 227,613,184.30
  5. Step 5: Solve for x
    x = 227,613,184.30/16,633.85
  6. Step 6: Final answer
    x = 13,683.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.