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Finding the Fourth Proportional to 34,704.88, 52,080.06 and 13,930

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Solution

The fourth proportional to 34,704.88, 52,080.06 and 13,930 is: 20,904.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,704.88 : 52,080.06 = 13,930 : x
  2. Step 2: Convert to fraction form
    34,704.88/52,080.06 = 13,930/x
  3. Step 3: Cross multiply
    34,704.88x = 52,080.06 × 13,930
  4. Step 4: Simplify right side
    34,704.88x = 725,475,235.80
  5. Step 5: Solve for x
    x = 725,475,235.80/34,704.88
  6. Step 6: Final answer
    x = 20,904.13

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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.