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Finding the Fourth Proportional to 18,536.58, 27,797.37 and 11,506.18

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Solution

The fourth proportional to 18,536.58, 27,797.37 and 11,506.18 is: 17,254.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,536.58 : 27,797.37 = 11,506.18 : x
  2. Step 2: Convert to fraction form
    18,536.58/27,797.37 = 11,506.18/x
  3. Step 3: Cross multiply
    18,536.58x = 27,797.37 × 11,506.18
  4. Step 4: Simplify right side
    18,536.58x = 319,841,542.75
  5. Step 5: Solve for x
    x = 319,841,542.75/18,536.58
  6. Step 6: Final answer
    x = 17,254.61

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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.