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Finding the Fourth Proportional to 16,894.85, 25,354.90 and 6,375.25

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Solution

The fourth proportional to 16,894.85, 25,354.90 and 6,375.25 is: 9,567.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,894.85 : 25,354.90 = 6,375.25 : x
  2. Step 2: Convert to fraction form
    16,894.85/25,354.90 = 6,375.25/x
  3. Step 3: Cross multiply
    16,894.85x = 25,354.90 × 6,375.25
  4. Step 4: Simplify right side
    16,894.85x = 161,643,699.45
  5. Step 5: Solve for x
    x = 161,643,699.45/16,894.85
  6. Step 6: Final answer
    x = 9,567.63

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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.