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Finding the Fourth Proportional to 26,912.18, 40,621.05 and 26,912.18

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Solution

The fourth proportional to 26,912.18, 40,621.05 and 26,912.18 is: 40,621.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,912.18 : 40,621.05 = 26,912.18 : x
  2. Step 2: Convert to fraction form
    26,912.18/40,621.05 = 26,912.18/x
  3. Step 3: Cross multiply
    26,912.18x = 40,621.05 × 26,912.18
  4. Step 4: Simplify right side
    26,912.18x = 1,093,200,874.83
  5. Step 5: Solve for x
    x = 1,093,200,874.83/26,912.18
  6. Step 6: Final answer
    x = 40,621.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.