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Finding the Fourth Proportional to 62,645.86, 86,455.65 and 34,353.37

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Solution

The fourth proportional to 62,645.86, 86,455.65 and 34,353.37 is: 47,410.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,645.86 : 86,455.65 = 34,353.37 : x
  2. Step 2: Convert to fraction form
    62,645.86/86,455.65 = 34,353.37/x
  3. Step 3: Cross multiply
    62,645.86x = 86,455.65 × 34,353.37
  4. Step 4: Simplify right side
    62,645.86x = 2,970,042,933.04
  5. Step 5: Solve for x
    x = 2,970,042,933.04/62,645.86
  6. Step 6: Final answer
    x = 47,410.04

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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.