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Finding the Fourth Proportional to 16,777, 23,152.98 and 9,325

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Solution

The fourth proportional to 16,777, 23,152.98 and 9,325 is: 12,868.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,777 : 23,152.98 = 9,325 : x
  2. Step 2: Convert to fraction form
    16,777/23,152.98 = 9,325/x
  3. Step 3: Cross multiply
    16,777x = 23,152.98 × 9,325
  4. Step 4: Simplify right side
    16,777x = 215,901,538.50
  5. Step 5: Solve for x
    x = 215,901,538.50/16,777
  6. Step 6: Final answer
    x = 12,868.90

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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.