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Finding the Fourth Proportional to 2,237.94, 3,357.39 and 677.91

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Solution

The fourth proportional to 2,237.94, 3,357.39 and 677.91 is: 1,017.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,237.94 : 3,357.39 = 677.91 : x
  2. Step 2: Convert to fraction form
    2,237.94/3,357.39 = 677.91/x
  3. Step 3: Cross multiply
    2,237.94x = 3,357.39 × 677.91
  4. Step 4: Simplify right side
    2,237.94x = 2,276,008.25
  5. Step 5: Solve for x
    x = 2,276,008.25/2,237.94
  6. Step 6: Final answer
    x = 1,017.01

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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.