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Finding the Fourth Proportional to 24,216.90, 36,286.44 and 20,328.90

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Solution

The fourth proportional to 24,216.90, 36,286.44 and 20,328.90 is: 30,460.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,216.90 : 36,286.44 = 20,328.90 : x
  2. Step 2: Convert to fraction form
    24,216.90/36,286.44 = 20,328.90/x
  3. Step 3: Cross multiply
    24,216.90x = 36,286.44 × 20,328.90
  4. Step 4: Simplify right side
    24,216.90x = 737,663,410.12
  5. Step 5: Solve for x
    x = 737,663,410.12/24,216.90
  6. Step 6: Final answer
    x = 30,460.69

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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.