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Finding the Fourth Proportional to 67,380.65, 92,983.67 and 37,165.32

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Solution

The fourth proportional to 67,380.65, 92,983.67 and 37,165.32 is: 51,287.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,380.65 : 92,983.67 = 37,165.32 : x
  2. Step 2: Convert to fraction form
    67,380.65/92,983.67 = 37,165.32/x
  3. Step 3: Cross multiply
    67,380.65x = 92,983.67 × 37,165.32
  4. Step 4: Simplify right side
    67,380.65x = 3,455,767,664.50
  5. Step 5: Solve for x
    x = 3,455,767,664.50/67,380.65
  6. Step 6: Final answer
    x = 51,287.24

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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.