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Finding the Fourth Proportional to 3,544.84, 4,891.80 and 1,973.08

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Solution

The fourth proportional to 3,544.84, 4,891.80 and 1,973.08 is: 2,722.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,544.84 : 4,891.80 = 1,973.08 : x
  2. Step 2: Convert to fraction form
    3,544.84/4,891.80 = 1,973.08/x
  3. Step 3: Cross multiply
    3,544.84x = 4,891.80 × 1,973.08
  4. Step 4: Simplify right side
    3,544.84x = 9,651,912.74
  5. Step 5: Solve for x
    x = 9,651,912.74/3,544.84
  6. Step 6: Final answer
    x = 2,722.81

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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.