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Finding the Fourth Proportional to 49,566.62, 68,406.03 and 28,349.97

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Solution

The fourth proportional to 49,566.62, 68,406.03 and 28,349.97 is: 39,125.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,566.62 : 68,406.03 = 28,349.97 : x
  2. Step 2: Convert to fraction form
    49,566.62/68,406.03 = 28,349.97/x
  3. Step 3: Cross multiply
    49,566.62x = 68,406.03 × 28,349.97
  4. Step 4: Simplify right side
    49,566.62x = 1,939,308,898.32
  5. Step 5: Solve for x
    x = 1,939,308,898.32/49,566.62
  6. Step 6: Final answer
    x = 39,125.30

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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.