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Finding the Fourth Proportional to 64,461.66, 88,958.62 and 36,169.44

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Solution

The fourth proportional to 64,461.66, 88,958.62 and 36,169.44 is: 49,914.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,461.66 : 88,958.62 = 36,169.44 : x
  2. Step 2: Convert to fraction form
    64,461.66/88,958.62 = 36,169.44/x
  3. Step 3: Cross multiply
    64,461.66x = 88,958.62 × 36,169.44
  4. Step 4: Simplify right side
    64,461.66x = 3,217,583,468.57
  5. Step 5: Solve for x
    x = 3,217,583,468.57/64,461.66
  6. Step 6: Final answer
    x = 49,914.69

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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.