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Finding the Fourth Proportional to 37,959.29, 56,933.07 and 12,993.59

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Solution

The fourth proportional to 37,959.29, 56,933.07 and 12,993.59 is: 19,488.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,959.29 : 56,933.07 = 12,993.59 : x
  2. Step 2: Convert to fraction form
    37,959.29/56,933.07 = 12,993.59/x
  3. Step 3: Cross multiply
    37,959.29x = 56,933.07 × 12,993.59
  4. Step 4: Simplify right side
    37,959.29x = 739,764,969.02
  5. Step 5: Solve for x
    x = 739,764,969.02/37,959.29
  6. Step 6: Final answer
    x = 19,488.38

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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.