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Finding the Fourth Proportional to 58,373.09, 87,571.07 and 20,923.14

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Solution

The fourth proportional to 58,373.09, 87,571.07 and 20,923.14 is: 31,388.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,373.09 : 87,571.07 = 20,923.14 : x
  2. Step 2: Convert to fraction form
    58,373.09/87,571.07 = 20,923.14/x
  3. Step 3: Cross multiply
    58,373.09x = 87,571.07 × 20,923.14
  4. Step 4: Simplify right side
    58,373.09x = 1,832,261,652.94
  5. Step 5: Solve for x
    x = 1,832,261,652.94/58,373.09
  6. Step 6: Final answer
    x = 31,388.81

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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.