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Finding the Fourth Proportional to 26,066.40, 35,974.08 and 14,738.40

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Solution

The fourth proportional to 26,066.40, 35,974.08 and 14,738.40 is: 20,340.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,066.40 : 35,974.08 = 14,738.40 : x
  2. Step 2: Convert to fraction form
    26,066.40/35,974.08 = 14,738.40/x
  3. Step 3: Cross multiply
    26,066.40x = 35,974.08 × 14,738.40
  4. Step 4: Simplify right side
    26,066.40x = 530,200,380.67
  5. Step 5: Solve for x
    x = 530,200,380.67/26,066.40
  6. Step 6: Final answer
    x = 20,340.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.