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Finding the Fourth Proportional to 5,616.92, 7,752.04 and 3,379.96

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Solution

The fourth proportional to 5,616.92, 7,752.04 and 3,379.96 is: 4,664.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,616.92 : 7,752.04 = 3,379.96 : x
  2. Step 2: Convert to fraction form
    5,616.92/7,752.04 = 3,379.96/x
  3. Step 3: Cross multiply
    5,616.92x = 7,752.04 × 3,379.96
  4. Step 4: Simplify right side
    5,616.92x = 26,201,585.12
  5. Step 5: Solve for x
    x = 26,201,585.12/5,616.92
  6. Step 6: Final answer
    x = 4,664.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.