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Finding the Fourth Proportional to 27,648.96, 41,490.64 and 11,232.96

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Solution

The fourth proportional to 27,648.96, 41,490.64 and 11,232.96 is: 16,856.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,648.96 : 41,490.64 = 11,232.96 : x
  2. Step 2: Convert to fraction form
    27,648.96/41,490.64 = 11,232.96/x
  3. Step 3: Cross multiply
    27,648.96x = 41,490.64 × 11,232.96
  4. Step 4: Simplify right side
    27,648.96x = 466,062,699.49
  5. Step 5: Solve for x
    x = 466,062,699.49/27,648.96
  6. Step 6: Final answer
    x = 16,856.43

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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.