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Finding the Fourth Proportional to 13,596.68, 20,392.58 and 3,734.68

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Solution

The fourth proportional to 13,596.68, 20,392.58 and 3,734.68 is: 5,601.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,596.68 : 20,392.58 = 3,734.68 : x
  2. Step 2: Convert to fraction form
    13,596.68/20,392.58 = 3,734.68/x
  3. Step 3: Cross multiply
    13,596.68x = 20,392.58 × 3,734.68
  4. Step 4: Simplify right side
    13,596.68x = 76,159,760.67
  5. Step 5: Solve for x
    x = 76,159,760.67/13,596.68
  6. Step 6: Final answer
    x = 5,601.35

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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.