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Finding the Fourth Proportional to 58,890.87, 81,270.20 and 32,034.51

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Solution

The fourth proportional to 58,890.87, 81,270.20 and 32,034.51 is: 44,208.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,890.87 : 81,270.20 = 32,034.51 : x
  2. Step 2: Convert to fraction form
    58,890.87/81,270.20 = 32,034.51/x
  3. Step 3: Cross multiply
    58,890.87x = 81,270.20 × 32,034.51
  4. Step 4: Simplify right side
    58,890.87x = 2,603,451,114.69
  5. Step 5: Solve for x
    x = 2,603,451,114.69/58,890.87
  6. Step 6: Final answer
    x = 44,208.06

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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.