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Finding the Fourth Proportional to 32,599.76, 44,992.46 and 20,664.20

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Solution

The fourth proportional to 32,599.76, 44,992.46 and 20,664.20 is: 28,519.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,599.76 : 44,992.46 = 20,664.20 : x
  2. Step 2: Convert to fraction form
    32,599.76/44,992.46 = 20,664.20/x
  3. Step 3: Cross multiply
    32,599.76x = 44,992.46 × 20,664.20
  4. Step 4: Simplify right side
    32,599.76x = 929,733,191.93
  5. Step 5: Solve for x
    x = 929,733,191.93/32,599.76
  6. Step 6: Final answer
    x = 28,519.63

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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.