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Finding the Fourth Proportional to 30,576.52, 45,857.08 and 11,850.14

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Solution

The fourth proportional to 30,576.52, 45,857.08 and 11,850.14 is: 17,772.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,576.52 : 45,857.08 = 11,850.14 : x
  2. Step 2: Convert to fraction form
    30,576.52/45,857.08 = 11,850.14/x
  3. Step 3: Cross multiply
    30,576.52x = 45,857.08 × 11,850.14
  4. Step 4: Simplify right side
    30,576.52x = 543,412,817.99
  5. Step 5: Solve for x
    x = 543,412,817.99/30,576.52
  6. Step 6: Final answer
    x = 17,772.23

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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.