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Finding the Fourth Proportional to 2,937.81, 4,398.08 and 1,894.73

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Solution

The fourth proportional to 2,937.81, 4,398.08 and 1,894.73 is: 2,836.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,937.81 : 4,398.08 = 1,894.73 : x
  2. Step 2: Convert to fraction form
    2,937.81/4,398.08 = 1,894.73/x
  3. Step 3: Cross multiply
    2,937.81x = 4,398.08 × 1,894.73
  4. Step 4: Simplify right side
    2,937.81x = 8,333,174.12
  5. Step 5: Solve for x
    x = 8,333,174.12/2,937.81
  6. Step 6: Final answer
    x = 2,836.53

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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.