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Finding the Fourth Proportional to 17,077.10, 25,615.65 and 16,817.90

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Solution

The fourth proportional to 17,077.10, 25,615.65 and 16,817.90 is: 25,226.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,077.10 : 25,615.65 = 16,817.90 : x
  2. Step 2: Convert to fraction form
    17,077.10/25,615.65 = 16,817.90/x
  3. Step 3: Cross multiply
    17,077.10x = 25,615.65 × 16,817.90
  4. Step 4: Simplify right side
    17,077.10x = 430,801,440.14
  5. Step 5: Solve for x
    x = 430,801,440.14/17,077.10
  6. Step 6: Final answer
    x = 25,226.85

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1.5x scale

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.