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Finding the Fourth Proportional to 43,604.34, 65,340.84 and 32,457.90

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Solution

The fourth proportional to 43,604.34, 65,340.84 and 32,457.90 is: 48,637.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,604.34 : 65,340.84 = 32,457.90 : x
  2. Step 2: Convert to fraction form
    43,604.34/65,340.84 = 32,457.90/x
  3. Step 3: Cross multiply
    43,604.34x = 65,340.84 × 32,457.90
  4. Step 4: Simplify right side
    43,604.34x = 2,120,826,450.64
  5. Step 5: Solve for x
    x = 2,120,826,450.64/43,604.34
  6. Step 6: Final answer
    x = 48,637.97

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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.