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Finding the Fourth Proportional to 14,989.14, 22,484.94 and 8,749.81

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Solution

The fourth proportional to 14,989.14, 22,484.94 and 8,749.81 is: 13,125.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,989.14 : 22,484.94 = 8,749.81 : x
  2. Step 2: Convert to fraction form
    14,989.14/22,484.94 = 8,749.81/x
  3. Step 3: Cross multiply
    14,989.14x = 22,484.94 × 8,749.81
  4. Step 4: Simplify right side
    14,989.14x = 196,738,896.65
  5. Step 5: Solve for x
    x = 196,738,896.65/14,989.14
  6. Step 6: Final answer
    x = 13,125.43

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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.