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Finding the Fourth Proportional to 11,901.52, 17,854.78 and 4,505.81

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Solution

The fourth proportional to 11,901.52, 17,854.78 and 4,505.81 is: 6,759.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,901.52 : 17,854.78 = 4,505.81 : x
  2. Step 2: Convert to fraction form
    11,901.52/17,854.78 = 4,505.81/x
  3. Step 3: Cross multiply
    11,901.52x = 17,854.78 × 4,505.81
  4. Step 4: Simplify right side
    11,901.52x = 80,450,246.27
  5. Step 5: Solve for x
    x = 80,450,246.27/11,901.52
  6. Step 6: Final answer
    x = 6,759.66

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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.