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Finding the Fourth Proportional to 16,544.80, 24,821.60 and 7,180.80

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Solution

The fourth proportional to 16,544.80, 24,821.60 and 7,180.80 is: 10,773.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,544.80 : 24,821.60 = 7,180.80 : x
  2. Step 2: Convert to fraction form
    16,544.80/24,821.60 = 7,180.80/x
  3. Step 3: Cross multiply
    16,544.80x = 24,821.60 × 7,180.80
  4. Step 4: Simplify right side
    16,544.80x = 178,238,945.28
  5. Step 5: Solve for x
    x = 178,238,945.28/16,544.80
  6. Step 6: Final answer
    x = 10,773.11

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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.