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Finding the Fourth Proportional to 51,993.10, 77,995.12 and 16,935.49

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Solution

The fourth proportional to 51,993.10, 77,995.12 and 16,935.49 is: 25,405.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,993.10 : 77,995.12 = 16,935.49 : x
  2. Step 2: Convert to fraction form
    51,993.10/77,995.12 = 16,935.49/x
  3. Step 3: Cross multiply
    51,993.10x = 77,995.12 × 16,935.49
  4. Step 4: Simplify right side
    51,993.10x = 1,320,885,661.72
  5. Step 5: Solve for x
    x = 1,320,885,661.72/51,993.10
  6. Step 6: Final answer
    x = 25,405.02

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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.