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Finding the Fourth Proportional to 53,584.50, 73,940.90 and 29,704.88

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Solution

The fourth proportional to 53,584.50, 73,940.90 and 29,704.88 is: 40,989.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,584.50 : 73,940.90 = 29,704.88 : x
  2. Step 2: Convert to fraction form
    53,584.50/73,940.90 = 29,704.88/x
  3. Step 3: Cross multiply
    53,584.50x = 73,940.90 × 29,704.88
  4. Step 4: Simplify right side
    53,584.50x = 2,196,405,561.59
  5. Step 5: Solve for x
    x = 2,196,405,561.59/53,584.50
  6. Step 6: Final answer
    x = 40,989.57

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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.