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Finding the Fourth Proportional to 52,698.80, 79,057.92 and 16,684.34

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Solution

The fourth proportional to 52,698.80, 79,057.92 and 16,684.34 is: 25,029.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,698.80 : 79,057.92 = 16,684.34 : x
  2. Step 2: Convert to fraction form
    52,698.80/79,057.92 = 16,684.34/x
  3. Step 3: Cross multiply
    52,698.80x = 79,057.92 × 16,684.34
  4. Step 4: Simplify right side
    52,698.80x = 1,319,029,216.97
  5. Step 5: Solve for x
    x = 1,319,029,216.97/52,698.80
  6. Step 6: Final answer
    x = 25,029.59

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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.