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Finding the Fourth Proportional to 30,949.59, 46,425.30 and 7,576.03

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Solution

The fourth proportional to 30,949.59, 46,425.30 and 7,576.03 is: 11,364.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,949.59 : 46,425.30 = 7,576.03 : x
  2. Step 2: Convert to fraction form
    30,949.59/46,425.30 = 7,576.03/x
  3. Step 3: Cross multiply
    30,949.59x = 46,425.30 × 7,576.03
  4. Step 4: Simplify right side
    30,949.59x = 351,719,537.80
  5. Step 5: Solve for x
    x = 351,719,537.80/30,949.59
  6. Step 6: Final answer
    x = 11,364.27

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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.