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Finding the Fourth Proportional to 64,536.54, 89,059.26 and 35,856.33

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Solution

The fourth proportional to 64,536.54, 89,059.26 and 35,856.33 is: 49,481.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,536.54 : 89,059.26 = 35,856.33 : x
  2. Step 2: Convert to fraction form
    64,536.54/89,059.26 = 35,856.33/x
  3. Step 3: Cross multiply
    64,536.54x = 89,059.26 × 35,856.33
  4. Step 4: Simplify right side
    64,536.54x = 3,193,338,216.12
  5. Step 5: Solve for x
    x = 3,193,338,216.12/64,536.54
  6. Step 6: Final answer
    x = 49,481.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.