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Finding the Fourth Proportional to 4,891.73, 7,338.04 and 1,772.51

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Solution

The fourth proportional to 4,891.73, 7,338.04 and 1,772.51 is: 2,658.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,891.73 : 7,338.04 = 1,772.51 : x
  2. Step 2: Convert to fraction form
    4,891.73/7,338.04 = 1,772.51/x
  3. Step 3: Cross multiply
    4,891.73x = 7,338.04 × 1,772.51
  4. Step 4: Simplify right side
    4,891.73x = 13,006,763.19
  5. Step 5: Solve for x
    x = 13,006,763.19/4,891.73
  6. Step 6: Final answer
    x = 2,658.93

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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.