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Finding the Fourth Proportional to 35,855.55, 49,481.55 and 19,941

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Solution

The fourth proportional to 35,855.55, 49,481.55 and 19,941 is: 27,519.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,855.55 : 49,481.55 = 19,941 : x
  2. Step 2: Convert to fraction form
    35,855.55/49,481.55 = 19,941/x
  3. Step 3: Cross multiply
    35,855.55x = 49,481.55 × 19,941
  4. Step 4: Simplify right side
    35,855.55x = 986,711,588.55
  5. Step 5: Solve for x
    x = 986,711,588.55/35,855.55
  6. Step 6: Final answer
    x = 27,519.08

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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.