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Finding the Fourth Proportional to 22,367.70, 30,835.66 and 17,790.26

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Solution

The fourth proportional to 22,367.70, 30,835.66 and 17,790.26 is: 24,525.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,367.70 : 30,835.66 = 17,790.26 : x
  2. Step 2: Convert to fraction form
    22,367.70/30,835.66 = 17,790.26/x
  3. Step 3: Cross multiply
    22,367.70x = 30,835.66 × 17,790.26
  4. Step 4: Simplify right side
    22,367.70x = 548,574,408.67
  5. Step 5: Solve for x
    x = 548,574,408.67/22,367.70
  6. Step 6: Final answer
    x = 24,525.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.