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Finding the Fourth Proportional to 24,236, 33,432.24 and 20,481.68

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Solution

The fourth proportional to 24,236, 33,432.24 and 20,481.68 is: 28,253.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,236 : 33,432.24 = 20,481.68 : x
  2. Step 2: Convert to fraction form
    24,236/33,432.24 = 20,481.68/x
  3. Step 3: Cross multiply
    24,236x = 33,432.24 × 20,481.68
  4. Step 4: Simplify right side
    24,236x = 684,748,441.36
  5. Step 5: Solve for x
    x = 684,748,441.36/24,236
  6. Step 6: Final answer
    x = 28,253.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.