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Finding the Fourth Proportional to 11,901.01, 17,854.03 and 4,505.31

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Solution

The fourth proportional to 11,901.01, 17,854.03 and 4,505.31 is: 6,758.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,901.01 : 17,854.03 = 4,505.31 : x
  2. Step 2: Convert to fraction form
    11,901.01/17,854.03 = 4,505.31/x
  3. Step 3: Cross multiply
    11,901.01x = 17,854.03 × 4,505.31
  4. Step 4: Simplify right side
    11,901.01x = 80,437,939.90
  5. Step 5: Solve for x
    x = 80,437,939.90/11,901.01
  6. Step 6: Final answer
    x = 6,758.92

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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.