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Finding the Fourth Proportional to 26,994.30, 40,479.30 and 10,348.80

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Solution

The fourth proportional to 26,994.30, 40,479.30 and 10,348.80 is: 15,518.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,994.30 : 40,479.30 = 10,348.80 : x
  2. Step 2: Convert to fraction form
    26,994.30/40,479.30 = 10,348.80/x
  3. Step 3: Cross multiply
    26,994.30x = 40,479.30 × 10,348.80
  4. Step 4: Simplify right side
    26,994.30x = 418,912,179.84
  5. Step 5: Solve for x
    x = 418,912,179.84/26,994.30
  6. Step 6: Final answer
    x = 15,518.54

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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.