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Finding the Fourth Proportional to 2,262.15, 3,393.33 and 703.21

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Solution

The fourth proportional to 2,262.15, 3,393.33 and 703.21 is: 1,054.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,262.15 : 3,393.33 = 703.21 : x
  2. Step 2: Convert to fraction form
    2,262.15/3,393.33 = 703.21/x
  3. Step 3: Cross multiply
    2,262.15x = 3,393.33 × 703.21
  4. Step 4: Simplify right side
    2,262.15x = 2,386,223.59
  5. Step 5: Solve for x
    x = 2,386,223.59/2,262.15
  6. Step 6: Final answer
    x = 1,054.85

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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.