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Finding the Fourth Proportional to 49,745.79, 74,626.79 and 14,688.99

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Solution

The fourth proportional to 49,745.79, 74,626.79 and 14,688.99 is: 22,035.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,745.79 : 74,626.79 = 14,688.99 : x
  2. Step 2: Convert to fraction form
    49,745.79/74,626.79 = 14,688.99/x
  3. Step 3: Cross multiply
    49,745.79x = 74,626.79 × 14,688.99
  4. Step 4: Simplify right side
    49,745.79x = 1,096,192,172.04
  5. Step 5: Solve for x
    x = 1,096,192,172.04/49,745.79
  6. Step 6: Final answer
    x = 22,035.88

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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.