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Finding the Fourth Proportional to 1,400.73, 2,098.05 and 937.81

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Solution

The fourth proportional to 1,400.73, 2,098.05 and 937.81 is: 1,404.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,400.73 : 2,098.05 = 937.81 : x
  2. Step 2: Convert to fraction form
    1,400.73/2,098.05 = 937.81/x
  3. Step 3: Cross multiply
    1,400.73x = 2,098.05 × 937.81
  4. Step 4: Simplify right side
    1,400.73x = 1,967,572.27
  5. Step 5: Solve for x
    x = 1,967,572.27/1,400.73
  6. Step 6: Final answer
    x = 1,404.68

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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.