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Finding the Fourth Proportional to 64,850.44, 89,493.66 and 35,042.44

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Solution

The fourth proportional to 64,850.44, 89,493.66 and 35,042.44 is: 48,358.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,850.44 : 89,493.66 = 35,042.44 : x
  2. Step 2: Convert to fraction form
    64,850.44/89,493.66 = 35,042.44/x
  3. Step 3: Cross multiply
    64,850.44x = 89,493.66 × 35,042.44
  4. Step 4: Simplify right side
    64,850.44x = 3,136,076,210.93
  5. Step 5: Solve for x
    x = 3,136,076,210.93/64,850.44
  6. Step 6: Final answer
    x = 48,358.60

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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.