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Finding the Fourth Proportional to 21,850.01, 32,745.11 and 16,508.80

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Solution

The fourth proportional to 21,850.01, 32,745.11 and 16,508.80 is: 24,740.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,850.01 : 32,745.11 = 16,508.80 : x
  2. Step 2: Convert to fraction form
    21,850.01/32,745.11 = 16,508.80/x
  3. Step 3: Cross multiply
    21,850.01x = 32,745.11 × 16,508.80
  4. Step 4: Simplify right side
    21,850.01x = 540,582,225.70
  5. Step 5: Solve for x
    x = 540,582,225.70/21,850.01
  6. Step 6: Final answer
    x = 24,740.59

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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.