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Finding the Fourth Proportional to 37,800.72, 56,716.92 and 19,098

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Solution

The fourth proportional to 37,800.72, 56,716.92 and 19,098 is: 28,655.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,800.72 : 56,716.92 = 19,098 : x
  2. Step 2: Convert to fraction form
    37,800.72/56,716.92 = 19,098/x
  3. Step 3: Cross multiply
    37,800.72x = 56,716.92 × 19,098
  4. Step 4: Simplify right side
    37,800.72x = 1,083,179,738.16
  5. Step 5: Solve for x
    x = 1,083,179,738.16/37,800.72
  6. Step 6: Final answer
    x = 28,655.00

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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.