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Finding the Fourth Proportional to 11,861.52, 17,792.52 and 9,093.16

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Solution

The fourth proportional to 11,861.52, 17,792.52 and 9,093.16 is: 13,639.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,861.52 : 17,792.52 = 9,093.16 : x
  2. Step 2: Convert to fraction form
    11,861.52/17,792.52 = 9,093.16/x
  3. Step 3: Cross multiply
    11,861.52x = 17,792.52 × 9,093.16
  4. Step 4: Simplify right side
    11,861.52x = 161,790,231.16
  5. Step 5: Solve for x
    x = 161,790,231.16/11,861.52
  6. Step 6: Final answer
    x = 13,639.92

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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.