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Finding the Fourth Proportional to 58,361.80, 87,402.36 and 33,325.98

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Solution

The fourth proportional to 58,361.80, 87,402.36 and 33,325.98 is: 49,908.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,361.80 : 87,402.36 = 33,325.98 : x
  2. Step 2: Convert to fraction form
    58,361.80/87,402.36 = 33,325.98/x
  3. Step 3: Cross multiply
    58,361.80x = 87,402.36 × 33,325.98
  4. Step 4: Simplify right side
    58,361.80x = 2,912,769,301.31
  5. Step 5: Solve for x
    x = 2,912,769,301.31/58,361.80
  6. Step 6: Final answer
    x = 49,908.83

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Why These Related Problems?

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