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Finding the Fourth Proportional to 16,389.23, 24,579.05 and 9,367.94

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Solution

The fourth proportional to 16,389.23, 24,579.05 and 9,367.94 is: 14,049.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,389.23 : 24,579.05 = 9,367.94 : x
  2. Step 2: Convert to fraction form
    16,389.23/24,579.05 = 9,367.94/x
  3. Step 3: Cross multiply
    16,389.23x = 24,579.05 × 9,367.94
  4. Step 4: Simplify right side
    16,389.23x = 230,254,895.92
  5. Step 5: Solve for x
    x = 230,254,895.92/16,389.23
  6. Step 6: Final answer
    x = 14,049.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.