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Finding the Fourth Proportional to 6,155.61, 9,234.87 and 1,995.62

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Solution

The fourth proportional to 6,155.61, 9,234.87 and 1,995.62 is: 2,993.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,155.61 : 9,234.87 = 1,995.62 : x
  2. Step 2: Convert to fraction form
    6,155.61/9,234.87 = 1,995.62/x
  3. Step 3: Cross multiply
    6,155.61x = 9,234.87 × 1,995.62
  4. Step 4: Simplify right side
    6,155.61x = 18,429,291.27
  5. Step 5: Solve for x
    x = 18,429,291.27/6,155.61
  6. Step 6: Final answer
    x = 2,993.90

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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.