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Finding the Fourth Proportional to 29,456.60, 40,650.09 and 16,027.84

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Solution

The fourth proportional to 29,456.60, 40,650.09 and 16,027.84 is: 22,118.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,456.60 : 40,650.09 = 16,027.84 : x
  2. Step 2: Convert to fraction form
    29,456.60/40,650.09 = 16,027.84/x
  3. Step 3: Cross multiply
    29,456.60x = 40,650.09 × 16,027.84
  4. Step 4: Simplify right side
    29,456.60x = 651,533,138.51
  5. Step 5: Solve for x
    x = 651,533,138.51/29,456.60
  6. Step 6: Final answer
    x = 22,118.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.