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Finding the Fourth Proportional to 37,540, 56,329.44 and 19,072

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Solution

The fourth proportional to 37,540, 56,329.44 and 19,072 is: 28,617.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,540 : 56,329.44 = 19,072 : x
  2. Step 2: Convert to fraction form
    37,540/56,329.44 = 19,072/x
  3. Step 3: Cross multiply
    37,540x = 56,329.44 × 19,072
  4. Step 4: Simplify right side
    37,540x = 1,074,315,079.68
  5. Step 5: Solve for x
    x = 1,074,315,079.68/37,540
  6. Step 6: Final answer
    x = 28,617.88

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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.