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Finding the Fourth Proportional to 36,501.12, 50,385.16 and 28,418.76

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Solution

The fourth proportional to 36,501.12, 50,385.16 and 28,418.76 is: 39,228.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,501.12 : 50,385.16 = 28,418.76 : x
  2. Step 2: Convert to fraction form
    36,501.12/50,385.16 = 28,418.76/x
  3. Step 3: Cross multiply
    36,501.12x = 50,385.16 × 28,418.76
  4. Step 4: Simplify right side
    36,501.12x = 1,431,883,769.60
  5. Step 5: Solve for x
    x = 1,431,883,769.60/36,501.12
  6. Step 6: Final answer
    x = 39,228.49

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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.