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Finding the Fourth Proportional to 3,661.66, 5,053.35 and 2,089.99

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Solution

The fourth proportional to 3,661.66, 5,053.35 and 2,089.99 is: 2,884.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,661.66 : 5,053.35 = 2,089.99 : x
  2. Step 2: Convert to fraction form
    3,661.66/5,053.35 = 2,089.99/x
  3. Step 3: Cross multiply
    3,661.66x = 5,053.35 × 2,089.99
  4. Step 4: Simplify right side
    3,661.66x = 10,561,450.97
  5. Step 5: Solve for x
    x = 10,561,450.97/3,661.66
  6. Step 6: Final answer
    x = 2,884.33

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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.