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Finding the Fourth Proportional to 11,754.44, 17,631.72 and 4,737.68

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Solution

The fourth proportional to 11,754.44, 17,631.72 and 4,737.68 is: 7,106.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,754.44 : 17,631.72 = 4,737.68 : x
  2. Step 2: Convert to fraction form
    11,754.44/17,631.72 = 4,737.68/x
  3. Step 3: Cross multiply
    11,754.44x = 17,631.72 × 4,737.68
  4. Step 4: Simplify right side
    11,754.44x = 83,533,359.05
  5. Step 5: Solve for x
    x = 83,533,359.05/11,754.44
  6. Step 6: Final answer
    x = 7,106.54

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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.