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Finding the Fourth Proportional to 64,661.28, 96,884.64 and 22,519.08

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Solution

The fourth proportional to 64,661.28, 96,884.64 and 22,519.08 is: 33,741.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,661.28 : 96,884.64 = 22,519.08 : x
  2. Step 2: Convert to fraction form
    64,661.28/96,884.64 = 22,519.08/x
  3. Step 3: Cross multiply
    64,661.28x = 96,884.64 × 22,519.08
  4. Step 4: Simplify right side
    64,661.28x = 2,181,752,958.93
  5. Step 5: Solve for x
    x = 2,181,752,958.93/64,661.28
  6. Step 6: Final answer
    x = 33,741.26

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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.