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Finding the Fourth Proportional to 26,874.16, 40,108 and 26,174.32

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Solution

The fourth proportional to 26,874.16, 40,108 and 26,174.32 is: 39,063.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,874.16 : 40,108 = 26,174.32 : x
  2. Step 2: Convert to fraction form
    26,874.16/40,108 = 26,174.32/x
  3. Step 3: Cross multiply
    26,874.16x = 40,108 × 26,174.32
  4. Step 4: Simplify right side
    26,874.16x = 1,049,799,626.56
  5. Step 5: Solve for x
    x = 1,049,799,626.56/26,874.16
  6. Step 6: Final answer
    x = 39,063.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.