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Finding the Fourth Proportional to 60,676.86, 83,732.64 and 35,187.78

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Solution

The fourth proportional to 60,676.86, 83,732.64 and 35,187.78 is: 48,558.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,676.86 : 83,732.64 = 35,187.78 : x
  2. Step 2: Convert to fraction form
    60,676.86/83,732.64 = 35,187.78/x
  3. Step 3: Cross multiply
    60,676.86x = 83,732.64 × 35,187.78
  4. Step 4: Simplify right side
    60,676.86x = 2,946,365,715.14
  5. Step 5: Solve for x
    x = 2,946,365,715.14/60,676.86
  6. Step 6: Final answer
    x = 48,558.31

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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.