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Finding the Fourth Proportional to 30,446.46, 45,660.46 and 11,725.05

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Solution

The fourth proportional to 30,446.46, 45,660.46 and 11,725.05 is: 17,584.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,446.46 : 45,660.46 = 11,725.05 : x
  2. Step 2: Convert to fraction form
    30,446.46/45,660.46 = 11,725.05/x
  3. Step 3: Cross multiply
    30,446.46x = 45,660.46 × 11,725.05
  4. Step 4: Simplify right side
    30,446.46x = 535,371,340.42
  5. Step 5: Solve for x
    x = 535,371,340.42/30,446.46
  6. Step 6: Final answer
    x = 17,584.03

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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.