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Finding the Fourth Proportional to 24,479.60, 36,664.72 and 20,105.60

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Solution

The fourth proportional to 24,479.60, 36,664.72 and 20,105.60 is: 30,113.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,479.60 : 36,664.72 = 20,105.60 : x
  2. Step 2: Convert to fraction form
    24,479.60/36,664.72 = 20,105.60/x
  3. Step 3: Cross multiply
    24,479.60x = 36,664.72 × 20,105.60
  4. Step 4: Simplify right side
    24,479.60x = 737,166,194.43
  5. Step 5: Solve for x
    x = 737,166,194.43/24,479.60
  6. Step 6: Final answer
    x = 30,113.49

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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.