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Finding the Fourth Proportional to 24,890.22, 34,348.49 and 13,712.22

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Solution

The fourth proportional to 24,890.22, 34,348.49 and 13,712.22 is: 18,922.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,890.22 : 34,348.49 = 13,712.22 : x
  2. Step 2: Convert to fraction form
    24,890.22/34,348.49 = 13,712.22/x
  3. Step 3: Cross multiply
    24,890.22x = 34,348.49 × 13,712.22
  4. Step 4: Simplify right side
    24,890.22x = 470,994,034.41
  5. Step 5: Solve for x
    x = 470,994,034.41/24,890.22
  6. Step 6: Final answer
    x = 18,922.86

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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.