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Finding the Fourth Proportional to 2,995.85, 4,489.72 and 2,346.77

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Solution

The fourth proportional to 2,995.85, 4,489.72 and 2,346.77 is: 3,516.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,995.85 : 4,489.72 = 2,346.77 : x
  2. Step 2: Convert to fraction form
    2,995.85/4,489.72 = 2,346.77/x
  3. Step 3: Cross multiply
    2,995.85x = 4,489.72 × 2,346.77
  4. Step 4: Simplify right side
    2,995.85x = 10,536,311.89
  5. Step 5: Solve for x
    x = 10,536,311.89/2,995.85
  6. Step 6: Final answer
    x = 3,516.97

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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.