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Finding the Fourth Proportional to 43,606.04, 65,400.03 and 19,906.97

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Solution

The fourth proportional to 43,606.04, 65,400.03 and 19,906.97 is: 29,856.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,606.04 : 65,400.03 = 19,906.97 : x
  2. Step 2: Convert to fraction form
    43,606.04/65,400.03 = 19,906.97/x
  3. Step 3: Cross multiply
    43,606.04x = 65,400.03 × 19,906.97
  4. Step 4: Simplify right side
    43,606.04x = 1,301,916,108.21
  5. Step 5: Solve for x
    x = 1,301,916,108.21/43,606.04
  6. Step 6: Final answer
    x = 29,856.33

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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.