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Finding the Fourth Proportional to 26,401.70, 39,560.88 and 9,738.80

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Solution

The fourth proportional to 26,401.70, 39,560.88 and 9,738.80 is: 14,592.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,401.70 : 39,560.88 = 9,738.80 : x
  2. Step 2: Convert to fraction form
    26,401.70/39,560.88 = 9,738.80/x
  3. Step 3: Cross multiply
    26,401.70x = 39,560.88 × 9,738.80
  4. Step 4: Simplify right side
    26,401.70x = 385,275,498.14
  5. Step 5: Solve for x
    x = 385,275,498.14/26,401.70
  6. Step 6: Final answer
    x = 14,592.83

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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.