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Finding the Fourth Proportional to 14,982.80, 22,441.80 and 9,150.80

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Solution

The fourth proportional to 14,982.80, 22,441.80 and 9,150.80 is: 13,706.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,982.80 : 22,441.80 = 9,150.80 : x
  2. Step 2: Convert to fraction form
    14,982.80/22,441.80 = 9,150.80/x
  3. Step 3: Cross multiply
    14,982.80x = 22,441.80 × 9,150.80
  4. Step 4: Simplify right side
    14,982.80x = 205,360,423.44
  5. Step 5: Solve for x
    x = 205,360,423.44/14,982.80
  6. Step 6: Final answer
    x = 13,706.41

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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.