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Finding the Fourth Proportional to 11,702.52, 17,554.26 and 3,912.12

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Solution

The fourth proportional to 11,702.52, 17,554.26 and 3,912.12 is: 5,868.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,702.52 : 17,554.26 = 3,912.12 : x
  2. Step 2: Convert to fraction form
    11,702.52/17,554.26 = 3,912.12/x
  3. Step 3: Cross multiply
    11,702.52x = 17,554.26 × 3,912.12
  4. Step 4: Simplify right side
    11,702.52x = 68,674,371.63
  5. Step 5: Solve for x
    x = 68,674,371.63/11,702.52
  6. Step 6: Final answer
    x = 5,868.34

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1.5x scale

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.