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Finding the Fourth Proportional to 39,493.69, 59,187.98 and 19,472.62

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Solution

The fourth proportional to 39,493.69, 59,187.98 and 19,472.62 is: 29,183.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,493.69 : 59,187.98 = 19,472.62 : x
  2. Step 2: Convert to fraction form
    39,493.69/59,187.98 = 19,472.62/x
  3. Step 3: Cross multiply
    39,493.69x = 59,187.98 × 19,472.62
  4. Step 4: Simplify right side
    39,493.69x = 1,152,544,945.74
  5. Step 5: Solve for x
    x = 1,152,544,945.74/39,493.69
  6. Step 6: Final answer
    x = 29,183.01

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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.