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Finding the Fourth Proportional to 45,324.70, 67,986.74 and 17,622.70

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Solution

The fourth proportional to 45,324.70, 67,986.74 and 17,622.70 is: 26,433.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,324.70 : 67,986.74 = 17,622.70 : x
  2. Step 2: Convert to fraction form
    45,324.70/67,986.74 = 17,622.70/x
  3. Step 3: Cross multiply
    45,324.70x = 67,986.74 × 17,622.70
  4. Step 4: Simplify right side
    45,324.70x = 1,198,109,797.09
  5. Step 5: Solve for x
    x = 1,198,109,797.09/45,324.70
  6. Step 6: Final answer
    x = 26,433.93

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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.