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Finding the Fourth Proportional to 18,433.96, 27,665.52 and 8,053

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Solution

The fourth proportional to 18,433.96, 27,665.52 and 8,053 is: 12,085.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,433.96 : 27,665.52 = 8,053 : x
  2. Step 2: Convert to fraction form
    18,433.96/27,665.52 = 8,053/x
  3. Step 3: Cross multiply
    18,433.96x = 27,665.52 × 8,053
  4. Step 4: Simplify right side
    18,433.96x = 222,790,432.56
  5. Step 5: Solve for x
    x = 222,790,432.56/18,433.96
  6. Step 6: Final answer
    x = 12,085.87

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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.