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Finding the Fourth Proportional to 64,577.81, 96,861.21 and 22,447.08

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Solution

The fourth proportional to 64,577.81, 96,861.21 and 22,447.08 is: 33,668.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,577.81 : 96,861.21 = 22,447.08 : x
  2. Step 2: Convert to fraction form
    64,577.81/96,861.21 = 22,447.08/x
  3. Step 3: Cross multiply
    64,577.81x = 96,861.21 × 22,447.08
  4. Step 4: Simplify right side
    64,577.81x = 2,174,251,329.77
  5. Step 5: Solve for x
    x = 2,174,251,329.77/64,577.81
  6. Step 6: Final answer
    x = 33,668.71

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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.