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Finding the Fourth Proportional to 25,322.87, 37,942.70 and 8,673.82

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Solution

The fourth proportional to 25,322.87, 37,942.70 and 8,673.82 is: 12,996.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,322.87 : 37,942.70 = 8,673.82 : x
  2. Step 2: Convert to fraction form
    25,322.87/37,942.70 = 8,673.82/x
  3. Step 3: Cross multiply
    25,322.87x = 37,942.70 × 8,673.82
  4. Step 4: Simplify right side
    25,322.87x = 329,108,150.11
  5. Step 5: Solve for x
    x = 329,108,150.11/25,322.87
  6. Step 6: Final answer
    x = 12,996.48

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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.