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Finding the Fourth Proportional to 22,684.90, 34,022.91 and 21,559.71

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Solution

The fourth proportional to 22,684.90, 34,022.91 and 21,559.71 is: 32,335.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,684.90 : 34,022.91 = 21,559.71 : x
  2. Step 2: Convert to fraction form
    22,684.90/34,022.91 = 21,559.71/x
  3. Step 3: Cross multiply
    22,684.90x = 34,022.91 × 21,559.71
  4. Step 4: Simplify right side
    22,684.90x = 733,524,072.96
  5. Step 5: Solve for x
    x = 733,524,072.96/22,684.90
  6. Step 6: Final answer
    x = 32,335.35

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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.