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Finding the Fourth Proportional to 32,449.56, 48,654.63 and 12,704.46

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Solution

The fourth proportional to 32,449.56, 48,654.63 and 12,704.46 is: 19,048.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,449.56 : 48,654.63 = 12,704.46 : x
  2. Step 2: Convert to fraction form
    32,449.56/48,654.63 = 12,704.46/x
  3. Step 3: Cross multiply
    32,449.56x = 48,654.63 × 12,704.46
  4. Step 4: Simplify right side
    32,449.56x = 618,130,800.65
  5. Step 5: Solve for x
    x = 618,130,800.65/32,449.56
  6. Step 6: Final answer
    x = 19,048.97

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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.