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Finding the Fourth Proportional to 64,596.76, 89,134.06 and 35,914.12

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Solution

The fourth proportional to 64,596.76, 89,134.06 and 35,914.12 is: 49,556.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,596.76 : 89,134.06 = 35,914.12 : x
  2. Step 2: Convert to fraction form
    64,596.76/89,134.06 = 35,914.12/x
  3. Step 3: Cross multiply
    64,596.76x = 89,134.06 × 35,914.12
  4. Step 4: Simplify right side
    64,596.76x = 3,201,171,326.93
  5. Step 5: Solve for x
    x = 3,201,171,326.93/64,596.76
  6. Step 6: Final answer
    x = 49,556.22

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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.