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Finding the Fourth Proportional to 24,683.62, 36,939.28 and 20,189.32

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Solution

The fourth proportional to 24,683.62, 36,939.28 and 20,189.32 is: 30,213.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,683.62 : 36,939.28 = 20,189.32 : x
  2. Step 2: Convert to fraction form
    24,683.62/36,939.28 = 20,189.32/x
  3. Step 3: Cross multiply
    24,683.62x = 36,939.28 × 20,189.32
  4. Step 4: Simplify right side
    24,683.62x = 745,778,944.49
  5. Step 5: Solve for x
    x = 745,778,944.49/24,683.62
  6. Step 6: Final answer
    x = 30,213.52

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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.