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Finding the Fourth Proportional to 52,683.24, 72,669.62 and 36,761.88

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Solution

The fourth proportional to 52,683.24, 72,669.62 and 36,761.88 is: 50,708.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,683.24 : 72,669.62 = 36,761.88 : x
  2. Step 2: Convert to fraction form
    52,683.24/72,669.62 = 36,761.88/x
  3. Step 3: Cross multiply
    52,683.24x = 72,669.62 × 36,761.88
  4. Step 4: Simplify right side
    52,683.24x = 2,671,471,850.09
  5. Step 5: Solve for x
    x = 2,671,471,850.09/52,683.24
  6. Step 6: Final answer
    x = 50,708.19

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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.