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Finding the Fourth Proportional to 18,073.63, 27,101.35 and 7,540.92

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Solution

The fourth proportional to 18,073.63, 27,101.35 and 7,540.92 is: 11,307.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,073.63 : 27,101.35 = 7,540.92 : x
  2. Step 2: Convert to fraction form
    18,073.63/27,101.35 = 7,540.92/x
  3. Step 3: Cross multiply
    18,073.63x = 27,101.35 × 7,540.92
  4. Step 4: Simplify right side
    18,073.63x = 204,369,112.24
  5. Step 5: Solve for x
    x = 204,369,112.24/18,073.63
  6. Step 6: Final answer
    x = 11,307.59

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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.