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Finding the Fourth Proportional to 37,643.78, 56,487.53 and 16,867.28

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Solution

The fourth proportional to 37,643.78, 56,487.53 and 16,867.28 is: 25,310.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,643.78 : 56,487.53 = 16,867.28 : x
  2. Step 2: Convert to fraction form
    37,643.78/56,487.53 = 16,867.28/x
  3. Step 3: Cross multiply
    37,643.78x = 56,487.53 × 16,867.28
  4. Step 4: Simplify right side
    37,643.78x = 952,790,618.24
  5. Step 5: Solve for x
    x = 952,790,618.24/37,643.78
  6. Step 6: Final answer
    x = 25,310.71

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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.