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Finding the Fourth Proportional to 43,704.70, 65,494.98 and 19,953.88

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Solution

The fourth proportional to 43,704.70, 65,494.98 and 19,953.88 is: 29,902.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,704.70 : 65,494.98 = 19,953.88 : x
  2. Step 2: Convert to fraction form
    43,704.70/65,494.98 = 19,953.88/x
  3. Step 3: Cross multiply
    43,704.70x = 65,494.98 × 19,953.88
  4. Step 4: Simplify right side
    43,704.70x = 1,306,878,807.78
  5. Step 5: Solve for x
    x = 1,306,878,807.78/43,704.70
  6. Step 6: Final answer
    x = 29,902.48

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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.