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Finding the Fourth Proportional to 24,521.80, 36,801.90 and 11,375.80

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Solution

The fourth proportional to 24,521.80, 36,801.90 and 11,375.80 is: 17,072.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,521.80 : 36,801.90 = 11,375.80 : x
  2. Step 2: Convert to fraction form
    24,521.80/36,801.90 = 11,375.80/x
  3. Step 3: Cross multiply
    24,521.80x = 36,801.90 × 11,375.80
  4. Step 4: Simplify right side
    24,521.80x = 418,651,054.02
  5. Step 5: Solve for x
    x = 418,651,054.02/24,521.80
  6. Step 6: Final answer
    x = 17,072.61

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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.