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Finding the Fourth Proportional to 72,529.36, 108,764.48 and 22,592.72

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Solution

The fourth proportional to 72,529.36, 108,764.48 and 22,592.72 is: 33,879.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,529.36 : 108,764.48 = 22,592.72 : x
  2. Step 2: Convert to fraction form
    72,529.36/108,764.48 = 22,592.72/x
  3. Step 3: Cross multiply
    72,529.36x = 108,764.48 × 22,592.72
  4. Step 4: Simplify right side
    72,529.36x = 2,457,285,442.59
  5. Step 5: Solve for x
    x = 2,457,285,442.59/72,529.36
  6. Step 6: Final answer
    x = 33,879.87

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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.