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Finding the Fourth Proportional to 55,855.73, 83,782.85 and 13,736.17

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Solution

The fourth proportional to 55,855.73, 83,782.85 and 13,736.17 is: 20,604.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,855.73 : 83,782.85 = 13,736.17 : x
  2. Step 2: Convert to fraction form
    55,855.73/83,782.85 = 13,736.17/x
  3. Step 3: Cross multiply
    55,855.73x = 83,782.85 × 13,736.17
  4. Step 4: Simplify right side
    55,855.73x = 1,150,855,470.68
  5. Step 5: Solve for x
    x = 1,150,855,470.68/55,855.73
  6. Step 6: Final answer
    x = 20,604.07

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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.