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Finding the Fourth Proportional to 18,652.88, 25,743.22 and 10,695.11

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Solution

The fourth proportional to 18,652.88, 25,743.22 and 10,695.11 is: 14,760.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,652.88 : 25,743.22 = 10,695.11 : x
  2. Step 2: Convert to fraction form
    18,652.88/25,743.22 = 10,695.11/x
  3. Step 3: Cross multiply
    18,652.88x = 25,743.22 × 10,695.11
  4. Step 4: Simplify right side
    18,652.88x = 275,326,414.20
  5. Step 5: Solve for x
    x = 275,326,414.20/18,652.88
  6. Step 6: Final answer
    x = 14,760.53

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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.