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Finding the Fourth Proportional to 2,243.04, 3,363.84 and 703.68

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Solution

The fourth proportional to 2,243.04, 3,363.84 and 703.68 is: 1,055.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,243.04 : 3,363.84 = 703.68 : x
  2. Step 2: Convert to fraction form
    2,243.04/3,363.84 = 703.68/x
  3. Step 3: Cross multiply
    2,243.04x = 3,363.84 × 703.68
  4. Step 4: Simplify right side
    2,243.04x = 2,367,066.93
  5. Step 5: Solve for x
    x = 2,367,066.93/2,243.04
  6. Step 6: Final answer
    x = 1,055.29

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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.