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Finding the Fourth Proportional to 58,361.80, 87,534.52 and 33,320.68

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Solution

The fourth proportional to 58,361.80, 87,534.52 and 33,320.68 is: 49,976.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,361.80 : 87,534.52 = 33,320.68 : x
  2. Step 2: Convert to fraction form
    58,361.80/87,534.52 = 33,320.68/x
  3. Step 3: Cross multiply
    58,361.80x = 87,534.52 × 33,320.68
  4. Step 4: Simplify right side
    58,361.80x = 2,916,709,729.87
  5. Step 5: Solve for x
    x = 2,916,709,729.87/58,361.80
  6. Step 6: Final answer
    x = 49,976.35

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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.