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Finding the Fourth Proportional to 34,704.59, 52,078.29 and 13,640.93

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Solution

The fourth proportional to 34,704.59, 52,078.29 and 13,640.93 is: 20,469.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,704.59 : 52,078.29 = 13,640.93 : x
  2. Step 2: Convert to fraction form
    34,704.59/52,078.29 = 13,640.93/x
  3. Step 3: Cross multiply
    34,704.59x = 52,078.29 × 13,640.93
  4. Step 4: Simplify right side
    34,704.59x = 710,396,308.41
  5. Step 5: Solve for x
    x = 710,396,308.41/34,704.59
  6. Step 6: Final answer
    x = 20,469.81

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1.5x scale

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.