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Finding the Fourth Proportional to 49,762.81, 68,760.08 and 39,773.67

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Solution

The fourth proportional to 49,762.81, 68,760.08 and 39,773.67 is: 54,957.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,762.81 : 68,760.08 = 39,773.67 : x
  2. Step 2: Convert to fraction form
    49,762.81/68,760.08 = 39,773.67/x
  3. Step 3: Cross multiply
    49,762.81x = 68,760.08 × 39,773.67
  4. Step 4: Simplify right side
    49,762.81x = 2,734,840,731.09
  5. Step 5: Solve for x
    x = 2,734,840,731.09/49,762.81
  6. Step 6: Final answer
    x = 54,957.52

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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.