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Finding the Fourth Proportional to 6,155.67, 9,234.45 and 2,645.67

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Solution

The fourth proportional to 6,155.67, 9,234.45 and 2,645.67 is: 3,968.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,155.67 : 9,234.45 = 2,645.67 : x
  2. Step 2: Convert to fraction form
    6,155.67/9,234.45 = 2,645.67/x
  3. Step 3: Cross multiply
    6,155.67x = 9,234.45 × 2,645.67
  4. Step 4: Simplify right side
    6,155.67x = 24,431,307.33
  5. Step 5: Solve for x
    x = 24,431,307.33/6,155.67
  6. Step 6: Final answer
    x = 3,968.91

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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.