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Finding the Fourth Proportional to 16,125.80, 24,180.60 and 7,350.80

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Solution

The fourth proportional to 16,125.80, 24,180.60 and 7,350.80 is: 11,022.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,125.80 : 24,180.60 = 7,350.80 : x
  2. Step 2: Convert to fraction form
    16,125.80/24,180.60 = 7,350.80/x
  3. Step 3: Cross multiply
    16,125.80x = 24,180.60 × 7,350.80
  4. Step 4: Simplify right side
    16,125.80x = 177,746,754.48
  5. Step 5: Solve for x
    x = 177,746,754.48/16,125.80
  6. Step 6: Final answer
    x = 11,022.51

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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.