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Finding the Fourth Proportional to 13,793.30, 20,733.15 and 13,534.10

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Solution

The fourth proportional to 13,793.30, 20,733.15 and 13,534.10 is: 20,343.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,793.30 : 20,733.15 = 13,534.10 : x
  2. Step 2: Convert to fraction form
    13,793.30/20,733.15 = 13,534.10/x
  3. Step 3: Cross multiply
    13,793.30x = 20,733.15 × 13,534.10
  4. Step 4: Simplify right side
    13,793.30x = 280,604,525.42
  5. Step 5: Solve for x
    x = 280,604,525.42/13,793.30
  6. Step 6: Final answer
    x = 20,343.54

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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.