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Finding the Fourth Proportional to 17,691.92, 26,537.88 and 4,544.60

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Solution

The fourth proportional to 17,691.92, 26,537.88 and 4,544.60 is: 6,816.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,691.92 : 26,537.88 = 4,544.60 : x
  2. Step 2: Convert to fraction form
    17,691.92/26,537.88 = 4,544.60/x
  3. Step 3: Cross multiply
    17,691.92x = 26,537.88 × 4,544.60
  4. Step 4: Simplify right side
    17,691.92x = 120,604,049.45
  5. Step 5: Solve for x
    x = 120,604,049.45/17,691.92
  6. Step 6: Final answer
    x = 6,816.90

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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.