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Finding the Fourth Proportional to 36,503.64, 50,315.76 and 28,531.80

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Solution

The fourth proportional to 36,503.64, 50,315.76 and 28,531.80 is: 39,327.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,503.64 : 50,315.76 = 28,531.80 : x
  2. Step 2: Convert to fraction form
    36,503.64/50,315.76 = 28,531.80/x
  3. Step 3: Cross multiply
    36,503.64x = 50,315.76 × 28,531.80
  4. Step 4: Simplify right side
    36,503.64x = 1,435,599,201.17
  5. Step 5: Solve for x
    x = 1,435,599,201.17/36,503.64
  6. Step 6: Final answer
    x = 39,327.56

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