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Finding the Fourth Proportional to 11,662.06, 17,418.77 and 10,549.77

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Solution

The fourth proportional to 11,662.06, 17,418.77 and 10,549.77 is: 15,757.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,662.06 : 17,418.77 = 10,549.77 : x
  2. Step 2: Convert to fraction form
    11,662.06/17,418.77 = 10,549.77/x
  3. Step 3: Cross multiply
    11,662.06x = 17,418.77 × 10,549.77
  4. Step 4: Simplify right side
    11,662.06x = 183,764,017.34
  5. Step 5: Solve for x
    x = 183,764,017.34/11,662.06
  6. Step 6: Final answer
    x = 15,757.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.