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Finding the Fourth Proportional to 17,114.70, 25,672.05 and 16,941.90

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Solution

The fourth proportional to 17,114.70, 25,672.05 and 16,941.90 is: 25,412.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,114.70 : 25,672.05 = 16,941.90 : x
  2. Step 2: Convert to fraction form
    17,114.70/25,672.05 = 16,941.90/x
  3. Step 3: Cross multiply
    17,114.70x = 25,672.05 × 16,941.90
  4. Step 4: Simplify right side
    17,114.70x = 434,933,303.90
  5. Step 5: Solve for x
    x = 434,933,303.90/17,114.70
  6. Step 6: Final answer
    x = 25,412.85

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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.