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Finding the Fourth Proportional to 35,245.80, 52,855.90 and 17,709.80

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Solution

The fourth proportional to 35,245.80, 52,855.90 and 17,709.80 is: 26,558.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,245.80 : 52,855.90 = 17,709.80 : x
  2. Step 2: Convert to fraction form
    35,245.80/52,855.90 = 17,709.80/x
  3. Step 3: Cross multiply
    35,245.80x = 52,855.90 × 17,709.80
  4. Step 4: Simplify right side
    35,245.80x = 936,067,417.82
  5. Step 5: Solve for x
    x = 936,067,417.82/35,245.80
  6. Step 6: Final answer
    x = 26,558.27

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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.