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Finding the Fourth Proportional to 84,879.24, 127,288.74 and 24,891

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Solution

The fourth proportional to 84,879.24, 127,288.74 and 24,891 is: 37,327.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,879.24 : 127,288.74 = 24,891 : x
  2. Step 2: Convert to fraction form
    84,879.24/127,288.74 = 24,891/x
  3. Step 3: Cross multiply
    84,879.24x = 127,288.74 × 24,891
  4. Step 4: Simplify right side
    84,879.24x = 3,168,344,027.34
  5. Step 5: Solve for x
    x = 3,168,344,027.34/84,879.24
  6. Step 6: Final answer
    x = 37,327.67

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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.