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Finding the Fourth Proportional to 58,375.13, 87,583.37 and 28,813.70

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Solution

The fourth proportional to 58,375.13, 87,583.37 and 28,813.70 is: 43,230.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,375.13 : 87,583.37 = 28,813.70 : x
  2. Step 2: Convert to fraction form
    58,375.13/87,583.37 = 28,813.70/x
  3. Step 3: Cross multiply
    58,375.13x = 87,583.37 × 28,813.70
  4. Step 4: Simplify right side
    58,375.13x = 2,523,601,023.06
  5. Step 5: Solve for x
    x = 2,523,601,023.06/58,375.13
  6. Step 6: Final answer
    x = 43,230.76

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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.