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Finding the Fourth Proportional to 52,936.37, 73,020.09 and 31,411.94

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Solution

The fourth proportional to 52,936.37, 73,020.09 and 31,411.94 is: 43,329.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,936.37 : 73,020.09 = 31,411.94 : x
  2. Step 2: Convert to fraction form
    52,936.37/73,020.09 = 31,411.94/x
  3. Step 3: Cross multiply
    52,936.37x = 73,020.09 × 31,411.94
  4. Step 4: Simplify right side
    52,936.37x = 2,293,702,350.22
  5. Step 5: Solve for x
    x = 2,293,702,350.22/52,936.37
  6. Step 6: Final answer
    x = 43,329.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.