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Finding the Fourth Proportional to 55,645.86, 83,473.97 and 18,206.17

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Solution

The fourth proportional to 55,645.86, 83,473.97 and 18,206.17 is: 27,310.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,645.86 : 83,473.97 = 18,206.17 : x
  2. Step 2: Convert to fraction form
    55,645.86/83,473.97 = 18,206.17/x
  3. Step 3: Cross multiply
    55,645.86x = 83,473.97 × 18,206.17
  4. Step 4: Simplify right side
    55,645.86x = 1,519,741,288.39
  5. Step 5: Solve for x
    x = 1,519,741,288.39/55,645.86
  6. Step 6: Final answer
    x = 27,310.95

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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.