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Finding the Fourth Proportional to 33,289.56, 49,940.46 and 9,913.32

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Solution

The fourth proportional to 33,289.56, 49,940.46 and 9,913.32 is: 14,871.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,289.56 : 49,940.46 = 9,913.32 : x
  2. Step 2: Convert to fraction form
    33,289.56/49,940.46 = 9,913.32/x
  3. Step 3: Cross multiply
    33,289.56x = 49,940.46 × 9,913.32
  4. Step 4: Simplify right side
    33,289.56x = 495,075,760.93
  5. Step 5: Solve for x
    x = 495,075,760.93/33,289.56
  6. Step 6: Final answer
    x = 14,871.80

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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.