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Finding the Fourth Proportional to 34,200.80, 51,243.60 and 16,632.80

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Solution

The fourth proportional to 34,200.80, 51,243.60 and 16,632.80 is: 24,921.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,200.80 : 51,243.60 = 16,632.80 : x
  2. Step 2: Convert to fraction form
    34,200.80/51,243.60 = 16,632.80/x
  3. Step 3: Cross multiply
    34,200.80x = 51,243.60 × 16,632.80
  4. Step 4: Simplify right side
    34,200.80x = 852,324,550.08
  5. Step 5: Solve for x
    x = 852,324,550.08/34,200.80
  6. Step 6: Final answer
    x = 24,921.19

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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.