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Finding the Fourth Proportional to 45,957.64, 68,625.16 and 36,491.44

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Solution

The fourth proportional to 45,957.64, 68,625.16 and 36,491.44 is: 54,489.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,957.64 : 68,625.16 = 36,491.44 : x
  2. Step 2: Convert to fraction form
    45,957.64/68,625.16 = 36,491.44/x
  3. Step 3: Cross multiply
    45,957.64x = 68,625.16 × 36,491.44
  4. Step 4: Simplify right side
    45,957.64x = 2,504,230,908.63
  5. Step 5: Solve for x
    x = 2,504,230,908.63/45,957.64
  6. Step 6: Final answer
    x = 54,489.98

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.