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Finding the Fourth Proportional to 52,638.27, 72,644.27 and 29,673.77

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Solution

The fourth proportional to 52,638.27, 72,644.27 and 29,673.77 is: 40,951.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,638.27 : 72,644.27 = 29,673.77 : x
  2. Step 2: Convert to fraction form
    52,638.27/72,644.27 = 29,673.77/x
  3. Step 3: Cross multiply
    52,638.27x = 72,644.27 × 29,673.77
  4. Step 4: Simplify right side
    52,638.27x = 2,155,628,848.21
  5. Step 5: Solve for x
    x = 2,155,628,848.21/52,638.27
  6. Step 6: Final answer
    x = 40,951.74

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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.