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Finding the Fourth Proportional to 51,770.94, 77,656.52 and 14,331.12

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Solution

The fourth proportional to 51,770.94, 77,656.52 and 14,331.12 is: 21,496.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,770.94 : 77,656.52 = 14,331.12 : x
  2. Step 2: Convert to fraction form
    51,770.94/77,656.52 = 14,331.12/x
  3. Step 3: Cross multiply
    51,770.94x = 77,656.52 × 14,331.12
  4. Step 4: Simplify right side
    51,770.94x = 1,112,904,835.25
  5. Step 5: Solve for x
    x = 1,112,904,835.25/51,770.94
  6. Step 6: Final answer
    x = 21,496.71

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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.