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Finding the Fourth Proportional to 58,744.50, 81,072.30 and 33,598.86

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Solution

The fourth proportional to 58,744.50, 81,072.30 and 33,598.86 is: 46,369.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,744.50 : 81,072.30 = 33,598.86 : x
  2. Step 2: Convert to fraction form
    58,744.50/81,072.30 = 33,598.86/x
  3. Step 3: Cross multiply
    58,744.50x = 81,072.30 × 33,598.86
  4. Step 4: Simplify right side
    58,744.50x = 2,723,936,857.58
  5. Step 5: Solve for x
    x = 2,723,936,857.58/58,744.50
  6. Step 6: Final answer
    x = 46,369.22

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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.