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Finding the Fourth Proportional to 32,340.56, 48,529.02 and 12,620.48

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Solution

The fourth proportional to 32,340.56, 48,529.02 and 12,620.48 is: 18,937.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,340.56 : 48,529.02 = 12,620.48 : x
  2. Step 2: Convert to fraction form
    32,340.56/48,529.02 = 12,620.48/x
  3. Step 3: Cross multiply
    32,340.56x = 48,529.02 × 12,620.48
  4. Step 4: Simplify right side
    32,340.56x = 612,459,526.33
  5. Step 5: Solve for x
    x = 612,459,526.33/32,340.56
  6. Step 6: Final answer
    x = 18,937.81

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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.