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Finding the Fourth Proportional to 64,481.22, 96,727.86 and 22,354.74

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Solution

The fourth proportional to 64,481.22, 96,727.86 and 22,354.74 is: 33,534.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,481.22 : 96,727.86 = 22,354.74 : x
  2. Step 2: Convert to fraction form
    64,481.22/96,727.86 = 22,354.74/x
  3. Step 3: Cross multiply
    64,481.22x = 96,727.86 × 22,354.74
  4. Step 4: Simplify right side
    64,481.22x = 2,162,326,161.06
  5. Step 5: Solve for x
    x = 2,162,326,161.06/64,481.22
  6. Step 6: Final answer
    x = 33,534.20

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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.