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Finding the Fourth Proportional to 13,753.92, 20,630.88 and 5,960.91

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Solution

The fourth proportional to 13,753.92, 20,630.88 and 5,960.91 is: 8,941.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,753.92 : 20,630.88 = 5,960.91 : x
  2. Step 2: Convert to fraction form
    13,753.92/20,630.88 = 5,960.91/x
  3. Step 3: Cross multiply
    13,753.92x = 20,630.88 × 5,960.91
  4. Step 4: Simplify right side
    13,753.92x = 122,978,818.90
  5. Step 5: Solve for x
    x = 122,978,818.90/13,753.92
  6. Step 6: Final answer
    x = 8,941.37

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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.