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Finding the Fourth Proportional to 10,611.51, 14,650.17 and 7,027.56

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Solution

The fourth proportional to 10,611.51, 14,650.17 and 7,027.56 is: 9,702.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,611.51 : 14,650.17 = 7,027.56 : x
  2. Step 2: Convert to fraction form
    10,611.51/14,650.17 = 7,027.56/x
  3. Step 3: Cross multiply
    10,611.51x = 14,650.17 × 7,027.56
  4. Step 4: Simplify right side
    10,611.51x = 102,954,922.33
  5. Step 5: Solve for x
    x = 102,954,922.33/10,611.51
  6. Step 6: Final answer
    x = 9,702.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.