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Finding the Fourth Proportional to 34,022.54, 50,989.80 and 18,210.80

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Solution

The fourth proportional to 34,022.54, 50,989.80 and 18,210.80 is: 27,292.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,022.54 : 50,989.80 = 18,210.80 : x
  2. Step 2: Convert to fraction form
    34,022.54/50,989.80 = 18,210.80/x
  3. Step 3: Cross multiply
    34,022.54x = 50,989.80 × 18,210.80
  4. Step 4: Simplify right side
    34,022.54x = 928,565,049.84
  5. Step 5: Solve for x
    x = 928,565,049.84/34,022.54
  6. Step 6: Final answer
    x = 27,292.64

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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.