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Finding the Fourth Proportional to 2,304.92, 3,457.83 and 745.31

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Solution

The fourth proportional to 2,304.92, 3,457.83 and 745.31 is: 1,118.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,304.92 : 3,457.83 = 745.31 : x
  2. Step 2: Convert to fraction form
    2,304.92/3,457.83 = 745.31/x
  3. Step 3: Cross multiply
    2,304.92x = 3,457.83 × 745.31
  4. Step 4: Simplify right side
    2,304.92x = 2,577,155.28
  5. Step 5: Solve for x
    x = 2,577,155.28/2,304.92
  6. Step 6: Final answer
    x = 1,118.11

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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.