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Finding the Fourth Proportional to 64,291.86, 96,448.77 and 22,176.27

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Solution

The fourth proportional to 64,291.86, 96,448.77 and 22,176.27 is: 33,268.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,291.86 : 96,448.77 = 22,176.27 : x
  2. Step 2: Convert to fraction form
    64,291.86/96,448.77 = 22,176.27/x
  3. Step 3: Cross multiply
    64,291.86x = 96,448.77 × 22,176.27
  4. Step 4: Simplify right side
    64,291.86x = 2,138,873,964.69
  5. Step 5: Solve for x
    x = 2,138,873,964.69/64,291.86
  6. Step 6: Final answer
    x = 33,268.19

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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.