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Finding the Fourth Proportional to 40,076.10, 60,109.02 and 10,493.82

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Solution

The fourth proportional to 40,076.10, 60,109.02 and 10,493.82 is: 15,739.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,076.10 : 60,109.02 = 10,493.82 : x
  2. Step 2: Convert to fraction form
    40,076.10/60,109.02 = 10,493.82/x
  3. Step 3: Cross multiply
    40,076.10x = 60,109.02 × 10,493.82
  4. Step 4: Simplify right side
    40,076.10x = 630,773,236.26
  5. Step 5: Solve for x
    x = 630,773,236.26/40,076.10
  6. Step 6: Final answer
    x = 15,739.39

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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.