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Finding the Fourth Proportional to 16,833.94, 25,242.06 and 7,469.90

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Solution

The fourth proportional to 16,833.94, 25,242.06 and 7,469.90 is: 11,200.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,833.94 : 25,242.06 = 7,469.90 : x
  2. Step 2: Convert to fraction form
    16,833.94/25,242.06 = 7,469.90/x
  3. Step 3: Cross multiply
    16,833.94x = 25,242.06 × 7,469.90
  4. Step 4: Simplify right side
    16,833.94x = 188,555,663.99
  5. Step 5: Solve for x
    x = 188,555,663.99/16,833.94
  6. Step 6: Final answer
    x = 11,200.92

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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.