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Finding the Fourth Proportional to 18,441.16, 27,663.30 and 8,060.20

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Solution

The fourth proportional to 18,441.16, 27,663.30 and 8,060.20 is: 12,090.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,441.16 : 27,663.30 = 8,060.20 : x
  2. Step 2: Convert to fraction form
    18,441.16/27,663.30 = 8,060.20/x
  3. Step 3: Cross multiply
    18,441.16x = 27,663.30 × 8,060.20
  4. Step 4: Simplify right side
    18,441.16x = 222,971,730.66
  5. Step 5: Solve for x
    x = 222,971,730.66/18,441.16
  6. Step 6: Final answer
    x = 12,090.98

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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.