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Finding the Fourth Proportional to 12,599.54, 18,900.36 and 3,834.54

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Solution

The fourth proportional to 12,599.54, 18,900.36 and 3,834.54 is: 5,752.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,599.54 : 18,900.36 = 3,834.54 : x
  2. Step 2: Convert to fraction form
    12,599.54/18,900.36 = 3,834.54/x
  3. Step 3: Cross multiply
    12,599.54x = 18,900.36 × 3,834.54
  4. Step 4: Simplify right side
    12,599.54x = 72,474,186.43
  5. Step 5: Solve for x
    x = 72,474,186.43/12,599.54
  6. Step 6: Final answer
    x = 5,752.13

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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.