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Finding the Fourth Proportional to 64,416.43, 96,655.56 and 33,251.68

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Solution

The fourth proportional to 64,416.43, 96,655.56 and 33,251.68 is: 49,893.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,416.43 : 96,655.56 = 33,251.68 : x
  2. Step 2: Convert to fraction form
    64,416.43/96,655.56 = 33,251.68/x
  3. Step 3: Cross multiply
    64,416.43x = 96,655.56 × 33,251.68
  4. Step 4: Simplify right side
    64,416.43x = 3,213,959,751.34
  5. Step 5: Solve for x
    x = 3,213,959,751.34/64,416.43
  6. Step 6: Final answer
    x = 49,893.48

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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.