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Finding the Fourth Proportional to 7,104.10, 10,640.88 and 5,763.88

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Solution

The fourth proportional to 7,104.10, 10,640.88 and 5,763.88 is: 8,633.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,104.10 : 10,640.88 = 5,763.88 : x
  2. Step 2: Convert to fraction form
    7,104.10/10,640.88 = 5,763.88/x
  3. Step 3: Cross multiply
    7,104.10x = 10,640.88 × 5,763.88
  4. Step 4: Simplify right side
    7,104.10x = 61,332,755.41
  5. Step 5: Solve for x
    x = 61,332,755.41/7,104.10
  6. Step 6: Final answer
    x = 8,633.43

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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.