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Finding the Fourth Proportional to 14,941.60, 22,401.60 and 8,369.80

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Solution

The fourth proportional to 14,941.60, 22,401.60 and 8,369.80 is: 12,548.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,941.60 : 22,401.60 = 8,369.80 : x
  2. Step 2: Convert to fraction form
    14,941.60/22,401.60 = 8,369.80/x
  3. Step 3: Cross multiply
    14,941.60x = 22,401.60 × 8,369.80
  4. Step 4: Simplify right side
    14,941.60x = 187,496,911.68
  5. Step 5: Solve for x
    x = 187,496,911.68/14,941.60
  6. Step 6: Final answer
    x = 12,548.65

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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.