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Finding the Fourth Proportional to 58,238.87, 87,323.03 and 37,990.76

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Solution

The fourth proportional to 58,238.87, 87,323.03 and 37,990.76 is: 56,963.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,238.87 : 87,323.03 = 37,990.76 : x
  2. Step 2: Convert to fraction form
    58,238.87/87,323.03 = 37,990.76/x
  3. Step 3: Cross multiply
    58,238.87x = 87,323.03 × 37,990.76
  4. Step 4: Simplify right side
    58,238.87x = 3,317,467,791.10
  5. Step 5: Solve for x
    x = 3,317,467,791.10/58,238.87
  6. Step 6: Final answer
    x = 56,963.13

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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.