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Finding the Fourth Proportional to 17,506.53, 26,245.11 and 7,638.30

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Solution

The fourth proportional to 17,506.53, 26,245.11 and 7,638.30 is: 11,451.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,506.53 : 26,245.11 = 7,638.30 : x
  2. Step 2: Convert to fraction form
    17,506.53/26,245.11 = 7,638.30/x
  3. Step 3: Cross multiply
    17,506.53x = 26,245.11 × 7,638.30
  4. Step 4: Simplify right side
    17,506.53x = 200,468,052.36
  5. Step 5: Solve for x
    x = 200,468,052.36/17,506.53
  6. Step 6: Final answer
    x = 11,451.04

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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.