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Finding the Fourth Proportional to 46,614.76, 69,894.48 and 18,519.73

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Solution

The fourth proportional to 46,614.76, 69,894.48 and 18,519.73 is: 27,768.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,614.76 : 69,894.48 = 18,519.73 : x
  2. Step 2: Convert to fraction form
    46,614.76/69,894.48 = 18,519.73/x
  3. Step 3: Cross multiply
    46,614.76x = 69,894.48 × 18,519.73
  4. Step 4: Simplify right side
    46,614.76x = 1,294,426,898.09
  5. Step 5: Solve for x
    x = 1,294,426,898.09/46,614.76
  6. Step 6: Final answer
    x = 27,768.61

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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.