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Finding the Fourth Proportional to 16,548.99, 24,765.17 and 12,622.11

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Solution

The fourth proportional to 16,548.99, 24,765.17 and 12,622.11 is: 18,888.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,548.99 : 24,765.17 = 12,622.11 : x
  2. Step 2: Convert to fraction form
    16,548.99/24,765.17 = 12,622.11/x
  3. Step 3: Cross multiply
    16,548.99x = 24,765.17 × 12,622.11
  4. Step 4: Simplify right side
    16,548.99x = 312,588,636.80
  5. Step 5: Solve for x
    x = 312,588,636.80/16,548.99
  6. Step 6: Final answer
    x = 18,888.68

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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.