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Finding the Fourth Proportional to 11,602.58, 16,012.09 and 7,125.44

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Solution

The fourth proportional to 11,602.58, 16,012.09 and 7,125.44 is: 9,833.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,602.58 : 16,012.09 = 7,125.44 : x
  2. Step 2: Convert to fraction form
    11,602.58/16,012.09 = 7,125.44/x
  3. Step 3: Cross multiply
    11,602.58x = 16,012.09 × 7,125.44
  4. Step 4: Simplify right side
    11,602.58x = 114,093,186.57
  5. Step 5: Solve for x
    x = 114,093,186.57/11,602.58
  6. Step 6: Final answer
    x = 9,833.43

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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.