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Finding the Fourth Proportional to 6,790.24, 9,364.24 and 4,520.64

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Solution

The fourth proportional to 6,790.24, 9,364.24 and 4,520.64 is: 6,234.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,790.24 : 9,364.24 = 4,520.64 : x
  2. Step 2: Convert to fraction form
    6,790.24/9,364.24 = 4,520.64/x
  3. Step 3: Cross multiply
    6,790.24x = 9,364.24 × 4,520.64
  4. Step 4: Simplify right side
    6,790.24x = 42,332,357.91
  5. Step 5: Solve for x
    x = 42,332,357.91/6,790.24
  6. Step 6: Final answer
    x = 6,234.29

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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.