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Finding the Fourth Proportional to 26,553.16, 39,836.22 and 8,085.16

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Solution

The fourth proportional to 26,553.16, 39,836.22 and 8,085.16 is: 12,129.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,553.16 : 39,836.22 = 8,085.16 : x
  2. Step 2: Convert to fraction form
    26,553.16/39,836.22 = 8,085.16/x
  3. Step 3: Cross multiply
    26,553.16x = 39,836.22 × 8,085.16
  4. Step 4: Simplify right side
    26,553.16x = 322,082,212.50
  5. Step 5: Solve for x
    x = 322,082,212.50/26,553.16
  6. Step 6: Final answer
    x = 12,129.71

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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.