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Finding the Fourth Proportional to 36,753.76, 55,137.96 and 13,377.16

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Solution

The fourth proportional to 36,753.76, 55,137.96 and 13,377.16 is: 20,068.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,753.76 : 55,137.96 = 13,377.16 : x
  2. Step 2: Convert to fraction form
    36,753.76/55,137.96 = 13,377.16/x
  3. Step 3: Cross multiply
    36,753.76x = 55,137.96 × 13,377.16
  4. Step 4: Simplify right side
    36,753.76x = 737,589,312.99
  5. Step 5: Solve for x
    x = 737,589,312.99/36,753.76
  6. Step 6: Final answer
    x = 20,068.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.